注意: context.xml是數據鏈接配置文件,數據庫以及用戶密碼一定要填對,將該文件放到項目中的META-INF目錄下，
(META-INF目錄在工程的 target/m2e-wtp/web-resources/META-INF 目錄中)
這是我的項目結構
需要注意
我下面配置的所有請求需要後面需要加 .html 才能訪問
如 ： http://localhost:8080/demo/user/index.html配置信息的記錄在項目的doc目錄下
下面我就直接把配置文件貼出來吧
log4j2.xml文件配置
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<configuration status="debug">
<appenders>
<Console name="Console" target="SYSTEM_OUT">
<ThresholdFilter level="debug" onMatch="ACCEPT"
onMismatch="DENY" />
<PatternLayout
pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M - %msg%xEx%n" />
</Console>
<RollingFile name="RollingFile" fileName="logs/app.log"
filePattern="log/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">
<PatternLayout
pattern="%d{yyyy-MM-dd 'at' HH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n" />
<SizeBasedTriggeringPolicy size="10MB" />
</RollingFile>
<File name="Error" fileName="logs/error.log">
<ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>
<PatternLayout pattern="%d{yyyy.MM.dd 'at' HH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n"/>
</File>
</appenders>
<loggers>
<root level="debug">
<appender-ref ref="RollingFile" />
<appender-ref ref="Console" />
<appender-ref ref="Error" />
</root>
</loggers>
</configuration>applicationContext.xml文件配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">
<!-- 掃描有註解的文件 base-package 包路徑 -->
<context:component-scan base-package="com.wshlfx.*" />
<!-- 配置 dataSource 數據源-->
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName">
<value>java:comp/env/jdbc/demoDB</value>
</property>
</bean>
<!-- 配置sessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<!-- 數據源 -->
<property name="dataSource" ref="dataSource" />
<!-- hibernate的相關屬性配置 -->
<property name="hibernateProperties">
<value>
<!-- 設置數據庫方言 -->
hibernate.dialect=org.hibernate.dialect.MySQLDialect
<!-- 設置自動創建|更新|驗證數據庫表結構 -->
hibernate.hbm2ddl.auto=none
<!-- 是否在控制檯顯示sql -->
hibernate.show_sql=true
<!-- 是否格式化sql，優化顯示 -->
hibernate.format_sql=true
<!-- 是否開啓二級緩存 -->
hibernate.cache.use_second_level_cache=false
<!-- 是否開啓查詢緩存 -->
hibernate.cache.use_query_cache=false
<!-- 數據庫批量查詢最大數 -->
hibernate.jdbc.fetch_size=50
<!-- 數據庫批量更新、添加、刪除操作最大數 -->
hibernate.jdbc.batch_size=50
<!-- 是否自動提交事務 -->
hibernate.connection.autocommit=true
<!-- 指定hibernate在何時釋放JDBC連接 -->
hibernate.connection.release_mode=auto
<!-- 創建session方式 hibernate4.x 的方式 -->
hibernate.current_session_context_class=
org.springframework.orm.hibernate4.SpringSessionContext
<!--默認情況下是auto的,不設置的話會自動去classpath下面找一個bean-validation**包，
所以把它設置爲none即可 -->
javax.persistence.validation.mode=none
</value>
</property>
<!-- 自動掃描實體對象的包結構中存放實體類 -->
<property name="packagesToScan" value="com.wshlfx.domain" />
</bean>
<!-- 創建hibernateTemplate實例 -->
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 定義事務管理 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!-- 事務執行方式 REQUIRED：指定當前方法必需在事務環境中運行,
如果當前有事務環境就加入當前正在執行的事務環境， 如果當前沒有事務，
就新建一個事務。這是默認值。 -->
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<!-- 指定當前方法以非事務方式執行操作，如果當前存在事務，
就把當前事務掛起，等我以非事務的狀態運行完，再繼續原來的事務。
查詢定義即可 read-only="true" 表示只讀 -->
<tx:method name="*" propagation="NOT_SUPPORTED" read-only="true" />
</tx:attributes>
</tx:advice>
<!-- 定義切面，在service包或子包中的任意方法執行有關的hibernate session的事務操作 -->
<aop:config>
<aop:pointcut id="serviceOperation"
expression="execution(* com.wshlfx.service..*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" />
</aop:config>
<!-- 文件上傳解析器 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="utf-8"/>
<property name="maxUploadSize" value="10485760000"/>
<property name="maxInMemorySize" value="40960"/>
</bean>
<bean id="velocityConfigurer"
class="org.springframework.web.servlet.view.velocity.VelocityConfigurer">
<property name="resourceLoaderPath"><!-- 頁面文件的路徑,相對於webapp -->
<value>views</value>
</property>
<!-- Velocity屬性配置 -->
<property name="velocityProperties">
<props>
<prop key="file.resource.loader.cache">true</prop>
<prop key="file.resource.loader.modificationCheckInterval">2</prop>
<prop key="input.encoding">UTF-8</prop>
<!-- 指定模板引擎進行模板處理的編碼 -->
<prop key="output.encoding">UTF-8</prop>
<!-- 指定輸出流的編碼 -->
<prop key="contentType">text/html;charset=UTF-8</prop>
</props>
</property>
</bean>
</beans>
dispatch-servlet.xml文件配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd "
default-lazy-init="false">
<context:component-scan base-package="com.wshlfx.controller" />
<mvc:annotation-driven>
<mvc:message-converters>
<bean
class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/x-www-form-urlencoded;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
<!-- 配置Fastjson支持 -->
<bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<!--解決IE JSON提示下載的問題-->
<value>text/html;charset=UTF-8</value>
<!--
<value>application/json;charset=UTF-8</value> -->
</list>
</property>
<property name="features">
<list>
<value>WriteMapNullValue</value>
<value>WriteNullStringAsEmpty</value>
<!--NULL過濾 -->
<value>WriteNullNumberAsZero</value>
<value>QuoteFieldNames</value>
<value>WriteNullListAsEmpty</value>
<value>WriteNullBooleanAsFalse</value>
<!--瀏覽器兼容
<value>BrowserCompatible</value>-->
<!--斜槓處理
<value>WriteSlashAsSpecial</value>-->
</list>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<mvc:resources mapping="/resources/**" location="/resources/"
cache-period="86400" />
<mvc:resources mapping="/upload/**" location="/upload/"
cache-period="86400" />
<bean class="org.springframework.web.servlet.mvc.WebContentInterceptor"
p:cacheSeconds="0" p:alwaysUseFullPath="true">
<property name="cacheMappings">
<props>
<!-- cache for one month -->
<prop key="/**/*.html">-1</prop>
</props>
</property>
</bean>
<bean id="viewResolver"
class="org.springframework.web.servlet.view.velocity.VelocityLayoutViewResolver">
<property name="cache" value="false" />
<!-- 日期函數名稱 -->
<property name="dateToolAttribute" value="date" />
<!--是否緩存模板 -->
<property name="prefix" value="" />
<property name="suffix" value=".vm" />
<property name="contentType" value="text/html;charset=UTF-8" />
<property name="exposeSpringMacroHelpers" value="true" />
<!--是否使用spring對宏定義的支持 -->
<property name="exposeRequestAttributes" value="true" />
<!--是否開放request屬性 -->
<property name="requestContextAttribute" value="rc" />
<!--request屬性引用名稱 -->
<property name="exposeSessionAttributes" value="true"></property>
<property name="allowSessionOverride" value="true" />
<!--允許session覆蓋舊值 VelocityViewResolver配置 -->
<property name="allowRequestOverride" value="true"></property>
<property name="layoutUrl" value="layout/default.vm" />
<!--指定layout文件 -->
</bean>
<!--csv文件上傳限制 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="100000000" />
</bean>
</beans>web.xml文件配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">
<display-name>demo</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>dispatch</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatch</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>60</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>context.xml 文件配置，存放數據源
<?xml version="1.0" encoding="UTF-8"?>
<Context>
<Resource name="jdbc/demoDB" auth="Container"
type="javax.sql.DataSource"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/test"
username="root"
password="root"
maxActive="50"
maxIdle="30"
maxWait="10000" />
</Context> pom.xml文件配置
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>zms</groupId>
<artifactId>demo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>webpro Maven Webapp</name>
<url>http://maven.apache.org</url>
<!-- 屬性 -->
<properties>
<!-- 文件拷貝時的編碼 -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- 編譯時的編碼 -->
<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
<version.hibernate>4.2.21.Final</version.hibernate>
<version.springframework>4.2.3.RELEASE</version.springframework>
<version.velocity>1.7</version.velocity>
<version.velocity-tools>2.0</version.velocity-tools>
<version.aspectjweaver>1.8.7</version.aspectjweaver>
<version.poi>3.14</version.poi>
<version.fastjson>1.2.8</version.fastjson>
<version.commons-fileupload>1.3.1</version.commons-fileupload>
<version.mysql-connector>5.1.37</version.mysql-connector>
<version.servlet>2.5</version.servlet>
<version.servlet-jsp>2.1</version.servlet-jsp>
<version.javacsv>2.0</version.javacsv>
<version.log4j>2.3</version.log4j>
<version.junit>4.12</version.junit>
</properties>
<build>
<!-- 默認編譯器是javax.tools.JavaCompiler 設置jdk爲1.7版本 -->
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>utf8</encoding>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<!-- springframework -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${version.springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${version.springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${version.springframework}</version>
</dependency>
<!-- springframework -->
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${version.hibernate}</version>
</dependency>
<!-- aspectj -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${version.aspectjweaver}</version>
</dependency>
<!-- velocity -->
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity</artifactId>
<version>${version.velocity}</version>
</dependency>
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity-tools</artifactId>
<version>${version.velocity-tools}</version>
</dependency>
<!-- fileupload -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${version.commons-fileupload}</version>
</dependency>
<!-- log4j -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${version.log4j}</version>
</dependency>
<!-- apache poi -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>${version.poi}</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml-schemas</artifactId>
<version>3.14</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>ooxml-schemas</artifactId>
<version>1.3</version>
</dependency>
<!-- javacsv -->
<dependency>
<groupId>net.sourceforge.javacsv</groupId>
<artifactId>javacsv</artifactId>
<version>${version.javacsv}</version>
</dependency>
<!-- fastJson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>${version.fastjson}</version>
</dependency>
<!-- 連接MySQL數據庫需要的jar包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${version.mysql-connector}</version>
</dependency>
<!-- commons from apache -->
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.3</version>
</dependency>
<!-- provided -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${version.servlet}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${version.servlet-jsp}</version>
<scope>provided</scope>
</dependency>
<!-- provided -->
<!-- test -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${version.junit}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${version.springframework}</version>
<scope>test</scope>
</dependency>
<!-- test -->
</dependencies>
</project>
框架搭建好了，下面我貼幾個類，下圖是我的Java類結構
實體類
package com.wshlfx.domain;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
/**
* 用戶實體類
* @author ZhouMengShun
*/
@Entity
@Table
public class User implements Serializable {
private static final long serialVersionUID = 1L;
/**
*ID 自增主鍵
*/
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Integer id;
@Column
private String username;
@Column
private String password;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
jdbc操作的basedao類
package com.wshlfx.dao.base;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
/**
* Jdbc方式數據訪問對象基礎實現類
* @author ZhouMengShun
*
*/
public class JdbcBaseDao extends JdbcDaoSupport {
/**
* 處理sql中的in查詢,增加了命名參數特性
*/
private NamedParameterJdbcTemplate namedParameterJdbcTemplate;
@Autowired
public void setSuperDataSource(DataSource dataSource) {
super.setDataSource(dataSource);
namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(dataSource);
}
/**
* @param sql
* @param list 參數集合
* @param placeHolder 參數命名
* @return
*/
public List<Map<String, Object>> queryIn(String sql, List<Object> list,
String placeHolder) {
HashMap<String, Object> paramMap = new HashMap<String, Object>();
paramMap.put(placeHolder, list);
return namedParameterJdbcTemplate.queryForList(sql, paramMap);
}
/**
* 執行SQL語句查詢對象結果集
* @param sql
* @param values
* @return 結果集
*/
public List<Map<String, Object>> query(String sql, Object... values) {
return this.getJdbcTemplate().queryForList(sql, values);
}
/**
* 執行SQL語句查詢唯一對象
* @param sql
* @param values
* @return 一個對象Map
*/
public Map<String, Object> queryUnique(String sql, Object... values) {
Map<String, Object> result = null;
try {
result = this.getJdbcTemplate().queryForMap(sql, values);
} catch (DataAccessException e) {
}
return result;
}
/**
* 執行SQL語句更新數據庫(insert, update or delete)
* @param sql
* @param values
* @return 更新的記錄數
*/
public int executeSql(String sql, Object... values) {
return this.getJdbcTemplate().update(sql, values);
}
/**
* 新增一條記錄
* @param sql
* @param map （記錄 字段-值 map）
* @return 更新的記錄數
*/
public int insert(String table, Map<String, Object> map) {
if (map.size() == 0) {
return 0;
}
int i = 0;
String columns = "";
String values = "";
for (String column : map.keySet()) {
i++;
if (i == map.size()) {
columns += column;
if (null != map.get(column) && !"".equals(map.get(column))) {
values += "'" + map.get(column) + "'";
} else {
values += null;
}
} else {
columns += column + ", ";
if (null != map.get(column) && !"".equals(map.get(column))) {
values += "'" + map.get(column) + "', ";
} else {
values += null + ", ";
}
}
}
String sql = "INSERT INTO " + table + " (" + columns + ") VALUES ("
+ values + ")";
return this.executeSql(sql);
}
/**
* 更新一條記錄
* @param sql
* @param map（記錄 字段-值 map）
* @param keyName 主鍵字段名
* @return 更新的記錄數
*/
public int update(String table, Map<String, Object> map, String keyName) {
String keyValue = map.get(keyName).toString();
map.remove(keyName);
if (map.size() == 0) {
return 0;
}
int i = 0;
String setValues = "";
for (String column : map.keySet()) {
i++;
if (i == map.size()) {
if (null != map.get(column) && !"".equals(map.get(column))) {
setValues += column + " = '" + map.get(column) + "' ";
} else {
setValues += column + " = " + null;
}
} else {
if (null != map.get(column) && !"".equals(map.get(column))) {
setValues += column + " = '" + map.get(column) + "', ";
} else {
setValues += column + " = " + null + ", ";
}
}
}
String sql = "UPDATE " + table + " SET " + setValues + " WHERE "
+ keyName + " = ?";
return this.executeSql(sql, keyValue);
}
/**
* 刪除數據
* @param table 表名
* @param keyName 主鍵字段名
* @param keyValue 主鍵值
* @return 更新的記錄數
*/
public int delete(String table, String keyName, String keyValue) {
String deleteSql = "DELETE FROM " + table + " WHERE " + keyName
+ " = ?";
return executeSql(deleteSql, keyValue);
}
/**
* 根據主鍵查詢數據
* @param table 表名
* @param keyName 主鍵字段名
* @param keyValue 主鍵值
* @return 一個對象Map
*/
public Map<String, Object> queryByField(String table, String keyName,
String keyValue) {
String querySql = "SELECT * FROM " + table + " WHERE " + keyName
+ " = ?";
return queryUnique(querySql, keyValue);
}
}
hql操作的basedao接口類
package com.wshlfx.dao.base;
import java.io.Serializable;
import java.util.Collection;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.SQLQuery;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Order;
/**
* 數據訪問基礎接口
* @author ZhouMengShun
* @param <T>
* @param <PK>
*/
public interface IHibernateBaseDao<T, PK extends Serializable> {
/**
* 新增
* @param entity
* @return 主鍵值
*/
public PK save(final T entity);
public void saveOrUpdate(final T entity);
/**
* 修改
* @param entity
*/
public void update(final T entity);
/**
* 執行HQL進行update或delete
* @param hql 預編譯的HQL語句（update或delete語句）
* @param values HQL佔位參數
* @return 操作的記錄數
*/
public int updateOrDeleteHQL(final String hql, final Object... values);
/**
* 執行SQL進行update或delete
* @param sql 預編譯的SQL語句（update或delete語句）
* @param values SQL佔位參數
* @return 操作的記錄數
*/
public int updateOrDeleteSQL(final String sql, final Object... values);
/**
* 刪除單個對象
* @param entity
*/
public void delete(final T entity);
/**
* 通過主鍵ID刪除
* @param id 主鍵
*/
public void delete(final PK id);
/**
* 刪除一組對象
* @param list
*/
public void delete(final Collection<T> list);
/**
* 查詢全部對象
* @return 結果集
*/
public List<T> find();
/**
* 通過主鍵ID查詢對象.
*/
public T findByPK(final PK id);
/**
* 通過含有部分屬性的對象查詢符合該屬性的對象List.
*/
public List<T> find(final T entity);
/**
* 通過HQL查詢結果集List. 結果集不一定和T對象完全匹配.
* @param hql 預編譯HQL
* @param values 任意參數
*/
public List<?> findHQL(final String hql, final Object... values);
/**
* 通過SQL查詢結果集List. 結果集不一定和T對象完全匹配.
* @param sql 預編譯SQL
* @param values 任意參數
*/
public List<?> findSQL(final String sql, final Object... values);
/**
* 通過HQL查詢單一結果.
*/
public Object findUniqueHQL(final String hql, final Object... values);
/**
* 通過SQL查詢單一結果.
*/
public Object findUniqueSQL(final String sql, final Object... values);
/**
* 通過匹配字段值查詢結果集List.
*/
public List<T> findByProperty(final String propertyName, final Object value);
/**
* 通過匹配字段值查詢單一結果集.
*/
public Object findUniqueByProperty(final String propertyName,
final Object value);
/**
* 構造一個HQLQuery對象供後續使用.
*/
public Query createQuery(final String hql, final Object... values);
/**
* 構造一個SQLQuery對象供後續使用.
*/
public SQLQuery createSQLQuery(final String sql, final Object... values);
/**
* 構造一個Criteria對象供後續使用.
*/
public Criteria createCriteria(final Criterion... criterions);
/**
* 檢查字段取值是否唯一.
*/
public boolean isPropertyUnique(final String propertyName,
final Object newValue, final Object orgValue);
/**
* 按HQL查詢指定分頁對象列表.
* @param hql 預編譯的HQL語句
* @param limit 當前頁的第一條記錄行號
* @param size 每頁記錄數
* @param values 數量可變的參數
*/
public List<?> findPageHQL(final String hql, final int limit,
final int size, final Object... values);
/**
* 按SQL查詢指定分頁對象列表.
* @param sql 預編譯的SQL語句
* @param limit 當前頁的第一條記錄行號
* @param size 每頁記錄數
* @param values 數量可變的參數
*/
public List<?> findPageSQL(final String sql, final int limit,
final int size, final Object... values);
/**
* 帶IN語法的HQL查詢.
* @param hql 預編譯的HQL語句（帶IN語法）
* @param placeHolder IN參數佔位符
* @param values 數量可變的參數
*/
public List<?> findInHQL(final String hql, final String placeHolder,
final List<?> values);
/**
* 帶IN語法的SQL查詢.
* @param sql 預編譯的SQL語句（帶IN語法）
* @param placeHolder IN參數佔位符
* @param values 數量可變的參數
*/
public List<?> findInSQL(final String sql, final String placeHolder,
final List<?> values);
/**
* 構造一個帶IN語法的Query對象供後續使用.
*/
public Query createQueryIn(final String hql, final String placeHolder,
final List<?> values);
/**
* 構造一個帶IN語法的SQLQuery對象供後續使用.
*/
public SQLQuery createSQLQueryIn(final String sql,
final String placeHolder, final List<?> values);
/**
* 按Criteria查詢對象列表.
* @param criterions 數量可變的Criterion.
*/
public List<T> findByCriteria(Criterion... criterions);
/**
* 按Criteria查詢對象列表.
* @param orders 帶排序的
* @param criterions 數量可變的Criterion.
*/
public List<T> findByCriteria(Order[] orders, final Criterion... criterions);
/**
* 按Criteria查詢對象列表,帶分頁的
*
* @param orders 帶排序的
* @param criterions 數量可變的Criterion.
* @param limit
* @param size
*/
public List<T> findPageByCriteria(int limit, int size, Order[] orders,
Criterion... criterions);
/**
* 查詢總記錄數
* @param criterions
* @return
*/
public Integer findCountByCriteria(final Criterion... criterions);
}
hql操作的basedao實現類
package com.wshlfx.dao.base;
import java.io.Serializable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Restrictions;
import org.hibernate.metadata.ClassMetadata;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.util.Assert;
import com.wshlfx.util.ReflectionUtils;
/**
* 數據訪問對象基類。
* @author ZhouMengShun
* @param <T>
* @param <PK>
*/
@SuppressWarnings("unchecked")
public abstract class HibernateBaseDao<T, PK extends Serializable> {
protected static final Logger logger = LogManager.getLogger(HibernateBaseDao.class);
protected Class<T> entityClass;
@Autowired
HibernateTemplate hibernateTemplate;
/**
* 用於擴展的DAO子類使用的構造函數.
* <p/>
* 通過子類的範型定義取得對象類型Class. eg. public class UserDao extends
* SimpleHibernateDao<User, Long>
*/
public HibernateBaseDao() {
this.entityClass = ReflectionUtils.getSuperClassGenricType(getClass());
}
protected Session getSession() {
return hibernateTemplate.getSessionFactory().getCurrentSession();
}
/**
* 保存新增或修改的對象.
*/
public void save(final T entity) {
Assert.notNull(entity);
hibernateTemplate.save(entity);
}
/**
* 保存新增或修改的對象.
*/
public void modify(final T entity) {
Assert.notNull(entity);
hibernateTemplate.update(entity);
}
/**
* 保存新增或修改的對象.
*/
public void saveOrUpdate(final T entity) {
Assert.notNull(entity);
hibernateTemplate.saveOrUpdate(entity);
}
/**
* 刪除對象.
* @param entity 對象必須是session中的對象或含id屬性的transient對象.
*/
public void delete(final T entity) {
if (entity == null) {
return;
}
hibernateTemplate.delete(entity);
}
/**
* 按id刪除對象.
*/
public void delete(final PK id) {
if (id == null) {
return;
}
delete(get(id));
}
/**
* 按id獲取對象.
*/
public T get(final PK id) {
Assert.notNull(id);
return (T) hibernateTemplate.get(entityClass, id);
}
/**
* 獲取全部對象.
*/
public List<T> getAll() {
return findByCriteria();
}
/**
* 按屬性查找對象列表,匹配方式爲相等.
*/
public List<T> findByProperty(final String propertyName, final Object value) {
Assert.hasText(propertyName);
Criterion criterion = Restrictions.eq(propertyName, value);
return findByCriteria(criterion);
}
/**
* 按屬性查找唯一對象,匹配方式爲相等.
*/
public T findUniqueByProperty(final String propertyName, final Object value) {
Assert.hasText(propertyName);
Criterion criterion = Restrictions.eq(propertyName, value);
return (T) createCriteria(criterion).uniqueResult();
}
/**
* 按HQL查詢對象列表.
* @param values 數量可變的參數
*/
public int update(final String hql, final Object... values) {
return createQuery(hql, values).executeUpdate();
}
/**
* 按HQL查詢對象列表.
* @param values 數量可變的參數
*/
public List<T> find(final String hql, final Object... values) {
return createQuery(hql, values).list();
}
/**
* 按HQL查詢對象列表.
* @param values 數量可變的參數
*/
public List<Object[]> findArray(final String hql, final Object... values) {
return createQuery(hql, values).list();
}
/**
* 按HQL查詢對象列表.
* @param values 數量可變的參數
*/
public List<T> findPage(final String hql, int limit, int size,
final Object... values) {
return createQuery(hql, values).setFirstResult(limit)
.setMaxResults(size).list();
}
/**
* 按HQL查詢對象列表.
* @param values 數量可變的參數
*/
public List<Object> findList(final String hql, final Object... values) {
return createQuery(hql, values).list();
}
public List<T> findIn(final String hql, final String placeHolder,
final List<?> values) {
return createQueryIn(hql, placeHolder, values).list();
}
/**
* 按HQL查詢唯一對象.
*/
public T findUnique(final String hql, final Object... values) {
return (T) createQuery(hql, values).uniqueResult();
}
/**
* 按HQL查詢Integer類型結果.
*/
public Integer findInt(final String hql, final Object... values) {
return (Integer) findUnique(hql, values);
}
/**
* 按HQL查詢Long類型結果.
*/
public Long findLong(final String hql, final Object... values) {
return (Long) findUnique(hql, values);
}
/**
* 根據查詢HQL與參數列表創建Query對象.
* <p/>
* 返回對象類型不是Entity時可用此函數靈活查詢.
* @param values 數量可變的參數
*/
public Query createQuery(final String queryString, final Object... values) {
Assert.hasText(queryString);
Query query = getSession().createQuery(queryString);
if (values != null) {
for (int i = 0; i < values.length; i++) {
query.setParameter(i, values[i]);
}
}
return query;
}
public Query createQueryIn(final String queryString,
final String placeHolder, final List<?> values) {
Assert.hasText(queryString);
Query query = getSession().createQuery(queryString);
if (values != null) {
query.setParameterList(placeHolder, values);
}
return query;
}
/**
* 按Criteria查詢對象列表.
* @param criterions 數量可變的Criterion.
*/
public List<T> findByCriteria(final Criterion... criterions) {
return createCriteria(criterions).list();
}
public T findUnique(final Criterion... criterions) {
return (T) createCriteria(criterions).uniqueResult();
}
/**
* 根據Criterion條件創建Criteria.
* <p/>
* 返回對象類型不是Entity時可用此函數靈活查詢.
* @param criterions 數量可變的Criterion.
*/
public Criteria createCriteria(final Criterion... criterions) {
Criteria criteria = getSession().createCriteria(entityClass);
for (Criterion c : criterions) {
criteria.add(c);
}
return criteria;
}
/**
* 判斷對象的屬性值在數據庫內是否唯一.
* <p/>
* 在修改對象的情景下,如果屬性新修改的值(value)等於屬性原來的值(orgValue)則不作比較.
*/
public boolean isPropertyUnique(final String propertyName,
final Object newValue, final Object orgValue) {
if (newValue == null || newValue.equals(orgValue))
return true;
Object object = findUniqueByProperty(propertyName, newValue);
return (object == null);
}
/**
* 取得對象的主鍵名.
*/
public String getIdName() {
ClassMetadata meta = hibernateTemplate.getSessionFactory()
.getClassMetadata(entityClass);
Assert.notNull(meta, "Class " + entityClass.getSimpleName()
+ " not define in HibernateSessionFactory.");
return meta.getIdentifierPropertyName();
}
/**
* 通用的sql查詢語句返回列表實現 values中的值代替sql中的？
*/
public List<T> findBySql(final String sql) {
if (sql != null) {
List<T> list = (List<T>) getSession().createQuery(sql).list();
return list;
} else {
return null;
}
}
private void setParameters(final Object[] values, Query q) {
if (null != values && values.length > 0) {
for (int i = 0; i < values.length; i++) {
q.setParameter(i, values[i]);
}
}
}
/**
* 通用的sql查詢語句返回結果數的實現,sql以from開頭 values中的值代替sql中的？
*/
@SuppressWarnings("rawtypes")
public Long findCountBySql(final String sql, final Object[] values) {
if (sql != null) {
Object count = hibernateTemplate.execute(new HibernateCallback() {
public Object doInHibernate(Session session)
throws HibernateException {
SQLQuery q = session.createSQLQuery(sql);
setParameters(values, q);
Long count = ((Integer) q.uniqueResult()).longValue();
return count;
}
});
return (Long) count;
} else {
return 0L;
}
}
/**
* 根據查詢SQL與參數列表創建Query對象.
* @param querySql
* @param values
* @return
*/
public SQLQuery createSqlQuery(final String querySql,
final Object... values) {
Assert.hasText(querySql);
SQLQuery sqlQuery = getSession().createSQLQuery(querySql);
if (values != null) {
for (int i = 0; i < values.length; i++) {
sqlQuery.setParameter(i, values[i]);
}
}
return sqlQuery;
}
public void initParamCondition(Map<String, Object> hqlParam, Query query) {
Iterator<Entry<String, Object>> it = hqlParam.entrySet().iterator();
while (it.hasNext()) {
Entry<String, Object> en = it.next();
Object obj = en.getValue();
if (obj instanceof String) {
query.setParameter(en.getKey(), en.getValue());
} else if (obj instanceof String[]) {
query.setParameterList(en.getKey(), (String[]) obj);
} else if (obj instanceof Integer) {
query.setInteger(en.getKey(), (Integer) obj);
} else if (obj instanceof Object[]) {
query.setParameterList(en.getKey(), (Object[]) obj);
}else if (obj instanceof List) {
query.setParameterList(en.getKey(), (List<T>) obj);
}
}
}
/**
* 根據查詢HQL與參數列表創建Query對象.
* <p/>
* 返回對象類型不是Entity時可用此函數靈活查詢.
* @param values 數量可變的參數
*/
public Query createSQLQuery(final String sqlString, final Object... values) {
Assert.hasText(sqlString);
Query query = getSession().createSQLQuery(sqlString);
if (values != null) {
for (int i = 0; i < values.length; i++) {
query.setParameter(i, values[i]);
}
}
return query;
}
/**
* 按HQL查詢對象列表.
* @param values 數量可變的參數
*/
public List<T> findByLimit(final String hql, int limit,
final Object... values) {
return createQuery(hql, values).setFirstResult(limit).list();
}
}
hql操作dao層
package com.wshlfx.dao;
import java.io.Serializable;
import org.springframework.stereotype.Repository;
import com.wshlfx.dao.base.HibernateBaseDao;
import com.wshlfx.domain.User;
/**
* 用戶DAO實現類 hql操作
* @author ZhouMengShun
*
*/
@Repository
public class UserDaoHQL extends HibernateBaseDao<User,Serializable>{
public User login(String username, String password) {
String hql="from User where username=? and password=?";
User obj=this.findUnique(hql,username,password);
return obj;
}
}
sql操作的dao層
package com.wshlfx.dao;
import java.util.Map;
import org.springframework.stereotype.Repository;
import com.wshlfx.dao.base.JdbcBaseDao;
import com.wshlfx.domain.User;
/**
* 用戶DAO實現類 sql操作
* @author ZhouMengShun
*
*/
@Repository
public class UserDaoJDBC extends JdbcBaseDao{
public User login(String username, String password) {
String sql="select * from User where username=? and password=?";
Map<String,Object> map= this.queryUnique(sql,username,password);
User user=null;
if(map!=null){
user=new User();
user.setId(new Integer(map.get("id")==null?null:new nteger(map.get("id").toString())));
user.setPassword(map.get("password")==null?null:map.get("password").toString());
user.setUsername(map.get("username")==null?null:map.get("username").toString());
}
return user;
}
}
業務類
package com.wshlfx.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.wshlfx.domain.User;
import com.wshlfx.dao.UserDaoHQL;
import com.wshlfx.dao.UserDaoJDBC;
/**
* 登陸業務實現類
* @author ZhouMengShun
*/
@Transactional(readOnly=false)
@Service("userService")
public class UserService {
@Autowired
private UserDaoHQL userDaoHQL;//使用hql語句操作的dao
@Autowired
private UserDaoJDBC userDaoJDBC;//使用jdbc語句操作的dao
/**
* 使用hql查詢
* @param userName
* @param password
* @return
*/
public User hqlLogin(String userName, String password) {
return userDaoHQL.login(userName, password);
}
/**
* 使用jdbc查詢
* @param userName
* @param password
* @return
*/
public User jdbcLogin(String userName, String password) {
return userDaoJDBC.login(userName, password);
}
}
controller類
package com.wshlfx.controller;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.wshlfx.domain.User;
import com.wshlfx.service.UserService;;
/**
* @author ZhouMengShun
*/
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired
private UserService userService;
//跳轉到index頁面
@RequestMapping(value = "/index", method = RequestMethod.GET)
public String register(HttpServletRequest request,HttpServletResponse response){
return "index";//跳轉到views/index.vm頁面
}
//跳轉登錄頁
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String login(HttpServletRequest request,HttpServletResponse response){
return "login";//跳轉到views/login.vm 登錄頁面
}
//登錄請求
@RequestMapping(value = "/loginOK", method = RequestMethod.POST)
@ResponseBody
public Map<String,String> loginOK(User user,HttpServletRequest request,
HttpServletResponse response){
Map<String,String> map=new HashMap<String,String>();//返回的參數,這裏測試下返回一個Map集合
if(user==null){//登錄密碼和賬號爲空
map.put("result","error");
map.put("msg","登錄密碼跟賬號爲空");
return map;
}
//User u=userService.hqlLogin(user.getUsername(),user.getPassword());//使用hql查詢
User u=userService.jdbcLogin(user.getUsername(),user.getPassword());//使用jdbc查詢
if(u!=null){//表示成功
map.put("result","success");
map.put("msg","登錄成功");
return map;
}else{//表示登錄失敗
map.put("result","error");
map.put("msg","登錄失敗");
return map;
}
}
}
工具類
package com.wshlfx.util;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.logging.log4j.Logger;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.springframework.util.Assert;
/**
* 反射的工具類。<br/>
* 提供訪問私有變量, 獲取範型類型, 提取集合中元素屬性等工具函數。
* @author ZhouMengShun
*/
public class ReflectionUtils {
private static Logger logger = LogManager.getLogger(ReflectionUtils.class);
private ReflectionUtils() {
}
/**
* 直接讀取對象屬性值,無視private/protected修飾符,不經過getter函數.
*/
public static Object getFieldValue(final Object object,
final String fieldName) {
Field field = getDeclaredField(object, fieldName);
if (field == null)
throw new IllegalArgumentException("Could not find field ["
+ fieldName + "] on target [" + object + "]");
makeAccessible(field);
Object result = null;
try {
result = field.get(object);
} catch (IllegalAccessException e) {
logger.error("Impossible Exception throwed: ", e);
}
return result;
}
/**
* 直接設置對象屬性值,無視private/protected修飾符,不經過setter函數.
*/
public static void setFieldValue(final Object object,
final String fieldName, final Object value) {
Field field = getDeclaredField(object, fieldName);
if (field == null)
throw new IllegalArgumentException("Could not find field ["
+ fieldName + "] on target [" + object + "]");
makeAccessible(field);
try {
field.set(object, value);
} catch (IllegalAccessException e) {
logger.error("Impossible Exception throwed: ", e);
}
}
/**
* 循環向上轉型,獲取對象的DeclaredField.
*/
protected static Field getDeclaredField(final Object object,
final String fieldName) {
Assert.notNull(object);
return getDeclaredField(object.getClass(), fieldName);
}
/**
* 循環向上轉型,獲取類的DeclaredField.
*/
protected static Field getDeclaredField(final Class<?> clazz,
final String fieldName) {
Assert.notNull(clazz);
Assert.hasText(fieldName);
for (Class<?> superClass = clazz; superClass != Object.class; superClass = superClass
.getSuperclass()) {
try {
return superClass.getDeclaredField(fieldName);
} catch (NoSuchFieldException e) {
// Field不在當前類定義,繼續向上轉型
}
}
return null;
}
/**
* 強制轉換fileld可訪問.
*/
protected static void makeAccessible(Field field) {
if (!Modifier.isPublic(field.getModifiers())
|| !Modifier.isPublic(field.getDeclaringClass().getModifiers())) {
field.setAccessible(true);
}
}
/**
* 通過反射,獲得定義Class時聲明的父類的範型參數的類型.
* 如public UserDao extends HibernateDao<User>
* @param clazz The class to introspect
* @return the first generic declaration,
* or Object.class if cannot be determined
*/
@SuppressWarnings("rawtypes")
public static Class getSuperClassGenricType(Class clazz) {
return getSuperClassGenricType(clazz, 0);
}
/**
* 通過反射,獲得定義Class時聲明的父類的範型參數的類型. 如public UserDao extends
* HibernateDao<User,Long>
* @param clazz clazz The class to introspect
* @param index the Index of the generic ddeclaration,start from 0.
* @return the index generic declaration,
* or Object.class if cannot be determined
*/
@SuppressWarnings("rawtypes")
public static Class getSuperClassGenricType(Class clazz, int index) {
Type genType = clazz.getGenericSuperclass();
if (!(genType instanceof ParameterizedType)) {
logger.warn(clazz.getSimpleName()
+ "'s superclass not ParameterizedType");
return Object.class;
}
Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
if (index >= params.length || index < 0) {
logger.warn("Index: " + index + ", Size of "
+ clazz.getSimpleName() + "'s Parameterized Type: "
+ params.length);
return Object.class;
}
if (!(params[index] instanceof Class)) {
logger.warn(clazz.getSimpleName()
+ " not set the actual class on superclass generic parameter");
return Object.class;
}
return (Class) params[index];
}
/**
* 提取集合中的對象的屬性,組合成List.
* @param collection 來源集合.
* @param propertyName 要提取的屬性名.
*/
public static List<?> fetchElementPropertyToList(
final Collection<?> collection, final String propertyName)
throws Exception {
List<Object> list = new ArrayList<Object>();
for (Object obj : collection) {
list.add(PropertyUtils.getProperty(obj, propertyName));
}
return list;
}
/**
* 提取集合中的對象的屬性,組合成由分割符分隔的字符串.
* @param collection 來源集合.
* @param propertyName 要提取的屬性名.
* @param separator 分隔符.
*/
public static String fetchElementPropertyToString(
final Collection<?> collection, final String propertyName,
final String separator) throws Exception {
List<?> list = fetchElementPropertyToList(collection, propertyName);
return StringUtils.join(list, separator);
}
}