package com.ophiux;
import org.apache.commons.lang3.StringUtils;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.*;
import java.text.SimpleDateFormat;
/**
* 說明：自動生成MyBatis的實體類、實體映射XML文件、Mapper(暫時只適用mysql)<br>
* <h1>創 建 人: hhl </h1>
* 創建日期: 2019年1月29日 下午4:15:18<br>
* 需要jar:mysql-connector-java,commons-lang3
*/
public class EntityUtil {
/**
* 數據庫數據類型
*/
private final static String type_char = "char";
private final static String type_date = "date";
private final static String type_timestamp = "timestamp";
private final static String type_int = "int";
private final static String type_bigint = "bigint";
private final static String type_text = "text";
private final static String type_bit = "bit";
private final static String type_decimal = "decimal";
private final static String type_blob = "blob";
private final static String type_double = "double";
/**
* 文件生成位置配置
*/
/** 生成的entity文件存放路徑 */
private final String bean_path = "C:/Users/Administrator/Desktop";
/** 生成的mapper文件存放路徑*/
private final String mapper_path = "C:/Users/Administrator/Desktop";
/** 生成的XML文件存放路徑*/
private final String xml_path = "C:/Users/Administrator/Desktop";
/** 實體類所屬項目路徑（根據自己做的項目相應調整）*/
private static final String bean_package = "com.ophiux.FeverManagement.domain.entity";
/** Mapper類所屬項目路徑（根據自己做的項目相應調整）*/
private final String mapper_package = "com.ophiux.FeverManagement.infratructure.mapper";
/** 基礎實現類所屬項目路徑 ps:項目沒有基礎實現類請將該值變成空串*/
private final String base_package = "";
private final String driverName = "com.mysql.jdbc.Driver";
/** 數據庫用戶名 */
private final String user = "root";
/** 數據庫密碼 */
private final String password = "root";
/** 數據庫名稱（根據自己模塊做相應調整） */
private final String moduleName = "ophiux_hot_diseases";
/** 數據庫連接（根據自己模塊做相應調整）*/
private final String url = "jdbc:mysql://192.168.6.11:3306/" + moduleName + "?&useUnicode=true&useSSL=false&characterEncoding=utf8";
/** 表名（需要生成的表）*/
private static String tableName = "hp_user";
private static String beanName = null;
private String mapperName = null;
private Connection conn = null;
/** 使用的持久層框架 M:MyBatis H:Hibernate */
private String persistence_frame = "M";
/** 是否序列化 Y:是 N:否 */
private String serializable = "N";
public static void main(String[] args) {
try {
System.out.println("=========開始生成=========");
new EntityUtil().generate();
System.out.println("=========生成結束=========");
// 自動打開生成文件的目錄
//Runtime.getRuntime().exec("cmd /c start explorer D:\\code\\");
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void generate() throws ClassNotFoundException, SQLException, IOException {
System.out.println("==========生成中==========");
init();
//查詢表所有的列信息
String prefix = "show full fields from ";
List<String> columns = null;
List<String> types = null;
List<String> comments = null;
PreparedStatement pstate;
columns = new ArrayList<String>();
types = new ArrayList<String>();
comments = new ArrayList<String>();
pstate = conn.prepareStatement(prefix + tableName);
ResultSet results = pstate.executeQuery();
while (results.next()) {
//字段名
columns.add(results.getString("FIELD"));
//字段類型
types.add(results.getString("TYPE"));
//字段註釋
comments.add(results.getString("COMMENT"));
}
//查詢表信息
String prefix2 = "show table status where name='"+tableName+"'";
PreparedStatement pstate2 = conn.prepareStatement(prefix2);
ResultSet results2 = pstate2.executeQuery();
//表註釋
String tableComment = "";
while(results2.next()) {
tableComment = results2.getString("COMMENT");
}
processTable(tableName);
buildEntityBean(columns, types, comments, tableName,tableComment);
//使用MyBatis才生成Mapper文件
if (persistence_frame.equals("M")) {
buildMapper(types);
buildMapperXml(columns, types, comments);
}
conn.close();
}
/**
* 說明:初始化連接數據庫 <br>
* 創 建 人: hhl
* @throws ClassNotFoundException
* @throws SQLException
*/
private void init() throws ClassNotFoundException, SQLException {
Class.forName(driverName);
conn = DriverManager.getConnection(url, user, password);
}
/**
* 說明: 獲取所有的數據庫表註釋<br>
* 創 建 人: hhl
* @return
* @throws SQLException
*/
@SuppressWarnings("unused")
private Map<String, String> getTableComment() throws SQLException {
Map<String, String> maps = new HashMap<String, String>();
PreparedStatement pstate = conn.prepareStatement("show table status");
ResultSet results = pstate.executeQuery();
while (results.next()) {
String tableName = results.getString("NAME");
String comment = results.getString("COMMENT");
maps.put(tableName, comment);
}
return maps;
}
/**
* 說明: 獲取所有的表<br>
* 創 建 人: hhl
* @return List表集合
* @throws SQLException
*/
@SuppressWarnings("unused")
private List<String> getTables() throws SQLException {
List<String> tables = new ArrayList<String>();
PreparedStatement pstate = conn.prepareStatement("show tables");
ResultSet results = pstate.executeQuery();
while (results.next()) {
String tableName = results.getString(1);
if ( tableName.toLowerCase().startsWith("ophiux_") ) {
tables.add(tableName);
}
}
return tables;
}
/**
* 說明: 生成Mapper文件名<br>
* 創 建 人: hhl
* @param table 表名
*/
private void processTable(String table) {
StringBuilder sb = new StringBuilder(table.length());
String tableNew = table.toLowerCase();
String[] tables = tableNew.split("_");
String temp;
for (String table1 : tables) {
temp = table1.trim();
sb.append(temp.substring(0, 1).toUpperCase()).append(temp.substring(1));
}
beanName = sb.toString();
mapperName = beanName + "Mapper";
}
/**
* 數據庫數據類型與Java數據類型轉換
*/
private static String processType(String type) {
//萬能字符串
if("1".equals("1")) {
return "String";
}
if (type.contains(type_char)) {
return "String";
} else if (type.contains(type_bigint)) {
return "Long";
} else if (type.contains(type_int)) {
if (type.startsWith(type_int) && type.contains("unsigned")) {
return "Long";
} else {
return "Integer";
}
} else if (type.contains(type_date)) {
return "java.util.Date";
} else if (type.contains(type_text)) {
return "String";
} else if (type.contains(type_timestamp)) {
return "java.util.Date";
} else if (type.contains(type_bit)) {
return "Boolean";
} else if (type.contains(type_decimal)) {
return "java.math.BigDecimal";
} else if (type.contains(type_blob)) {
return "byte[]";
} else if (type.contains(type_double)) {
return "Double";
}
return type;
}
private static String processField(String field) {
StringBuffer sb = new StringBuffer();
//field = field.toLowerCase();
// String[] fields = field.split("_");
// String temp;
// sb.append(fields[0]);
// for (int i = 1; i < fields.length; i++) {
// temp = fields[i].trim();
// sb.append(temp.substring(0, 1).toUpperCase()).append(temp.substring(1));
// }
return field;
}
/**
* 將實體類名首字母改爲小寫
*/
private static String processResultMapId(String beanName) {
return beanName.substring(0, 1).toLowerCase() + beanName.substring(1);
}
/**
* 說明: 構建類上面的註釋<br>
* 創 建 人: hhl
* @param bw
* @param tableComment 表註釋
* @return
* @throws IOException
*/
private BufferedWriter buildClassComment(BufferedWriter bw, String tableComment) throws IOException {
bw.newLine();
bw.newLine();
bw.write("/**");
//bw.newLine();
//bw.write(" * ");
bw.newLine();
bw.write(" * 說明：" + tableComment);
bw.newLine();
bw.write(" * <h1>創建人: hhl </h1>");
bw.newLine();
bw.write(" * 創建日期: " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())+"<br>");
bw.newLine();
bw.write(" **/");
return bw;
}
/**
* 說明: 構建方法上面的註釋<br>
* 創 建 人: hhl
* @param bw
* @param text 註釋
* @return
* @throws IOException
*/
private BufferedWriter buildMethodComment(BufferedWriter bw, String text) throws IOException {
bw.newLine();
bw.write("\t/**");
bw.newLine();
bw.write("\t * " + text);
bw.newLine();
bw.write("\t **/");
return bw;
}
/**
* 說明: 構建屬性（字段）上面的註釋<br>
* 創 建 人: hhl
* @param bw
* @param text 註釋
* @return
* @throws IOException
*/
private BufferedWriter buildFieldComment(BufferedWriter bw, String text) throws IOException {
bw.newLine();
if (null != text && !text.trim().equals("")) {
bw.write("\t/**");
bw.newLine();
bw.write("\t * " + text);
bw.newLine();
bw.write("\t */");
}
return bw;
}
/**
* 說明: 生成實體類<br>
* 創 建 人: hhl
* @param columns 字段名集合
* @param types 字段類型集合
* @param comments 字段註釋
* @param tableName 表名
* @param tableComment 表註釋
* @throws IOException
*/
private void buildEntityBean(List<String> columns, List<String> types, List<String> comments, String tableName, String tableComment)
throws IOException {
File folder = new File(bean_path);
if (!folder.exists()) {
folder.mkdirs();
}
File beanFile = new File(bean_path, beanName + ".java");
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(beanFile)));
bw.write("package " + bean_package + ";");
bw.newLine();
//region 包引入
bw.newLine();
if("Y".equals(serializable)) {
bw.write("import java.io.Serializable;");
}
if (persistence_frame.equals("M")) {
// bw.newLine();
// bw.write("import lombok.AllArgsConstructor;");
// bw.newLine();
// bw.write("import lombok.Builder;");
bw.newLine();
bw.write("import lombok.Getter;");
bw.newLine();
bw.write("import lombok.Setter;");
// bw.newLine();
// bw.write("import lombok.Data;");
// bw.newLine();
// bw.write("import lombok.NoArgsConstructor;");
}
if (persistence_frame.equals("H")) {
bw.newLine();
bw.write("import javax.persistence.*;");
}
//endregion
//region 類註釋
bw = buildClassComment(bw, tableComment);
bw.newLine();
bw.write("");
//endregion
//region 是否添加註解
if (persistence_frame.equals("M")) {
// bw.newLine();
// bw.write("@Data");
bw.newLine();
bw.write("@Getter");
bw.newLine();
bw.write("@Setter");
// bw.newLine();
// bw.write("@Builder");
// bw.newLine();
// bw.write("@NoArgsConstructor");
// bw.newLine();
// bw.write("@AllArgsConstructor");
}
if (persistence_frame.equals("H")) {
bw.newLine();
bw.write("@Entity");
bw.newLine();
bw.write("@Table(name = \"" + tableName + "\")");
}
//endregion
bw.newLine();
if("Y".equals(serializable)) {
bw.write("public class " + beanName + " implements Serializable" + " {");
}else {
bw.write("public class " + beanName + " {");
}
bw.newLine();
int size = columns.size();
for (int i = 0; i < size; i++) {
buildFieldComment(bw, comments.get(i));
if (persistence_frame.equals("H")) {
if (i == 0) {
bw.newLine();
bw.write("\t@Id");
}
bw.newLine();
bw.write("\t@Column(name = \"" + columns.get(i) + "\")");
}
bw.newLine();
bw.write("\tprivate " + processType(types.get(i)) + " " + processField(columns.get(i)) + ";");
bw.newLine();
bw.write("");
}
//region 生成get and set
if (persistence_frame.equals("H")) {
bw.newLine();
// 生成get 和 set方法
String tempField;
String _tempField;
String tempType;
for (int i = 0; i < size; i++) {
tempType = processType(types.get(i));
_tempField = processField(columns.get(i));
tempField = _tempField.substring(0, 1).toUpperCase() + _tempField.substring(1);
bw.newLine();
bw.write("\tpublic void set" + tempField + "(" + tempType + " " + _tempField + "){");
bw.newLine();
bw.write("\t\tthis." + _tempField + " = " + _tempField + ";");
bw.newLine();
bw.write("\t}");
bw.newLine();
bw.newLine();
bw.write("\tpublic " + tempType + " get" + tempField + "(){");
bw.newLine();
bw.write("\t\treturn this." + _tempField + ";");
bw.newLine();
bw.write("\t}");
bw.newLine();
}
}
//endregion
bw.newLine();
bw.write("}");
bw.newLine();
bw.flush();
bw.close();
}
/**
* 說明: 構建Mapper文件<br>
* 創 建 人: hhl
* @param types
* @throws IOException
*/
private void buildMapper(List<String> types) throws IOException {
File folder = new File(mapper_path);
if (!folder.exists()) {
folder.mkdirs();
}
File mapperFile = new File(mapper_path, mapperName + ".java");
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(mapperFile), "utf-8"));
bw.write("package " + mapper_package + ";");
bw.newLine();
bw.newLine();
bw.write("import java.util.List;");
bw.newLine();
bw.newLine();
if (StringUtils.isNotEmpty(base_package)) {
bw.newLine();
bw.write("import " + base_package + "." + "BaseMapper;");
bw.newLine();
bw.write("import " + bean_package + "." + beanName + ";");
} else {
bw.newLine();
bw.write("import " + bean_package + "." + beanName + ";");
}
bw.newLine();
bw.write("import org.springframework.stereotype.Repository;");
//bw.newLine();
//bw.write("import org.apache.ibatis.annotations.Param;");
bw.newLine();
bw = buildClassComment(bw, mapperName + "數據庫操作接口類");
bw.newLine();
bw.write("@Repository");
if (StringUtils.isNotEmpty(base_package)) {
bw.newLine();
bw.write("public interface " + mapperName + " extends BaseMapper<" + beanName + "> " + "{");
} else {
bw.newLine();
bw.write("public interface " + mapperName + "{");
}
bw.newLine();
bw.newLine();
if (StringUtils.isEmpty(base_package)) {
// ----------定義Mapper中的方法Begin----------
bw = buildMethodComment(bw, "查詢（根據主鍵ID查詢）");
bw.newLine();
bw.write("\t" + beanName + " selectByPrimaryKey (" + this.processType(types.get(0)) + " id);");
bw.newLine();
bw = buildMethodComment(bw, "查詢（根據條件查詢列表）");
bw.newLine();
bw.write("\tList<" + beanName + "> selectListByParam (" + beanName + " dto);");
bw.newLine();
bw = buildMethodComment(bw, "刪除（根據主鍵ID刪除）");
bw.newLine();
bw.write("\t" + "int deleteByPrimaryKey (" + this.processType(types.get(0)) + " id);");
bw.newLine();
bw = buildMethodComment(bw, "新增");
bw.newLine();
bw.write("\t" + "int insert(" + beanName + " record);");
bw.newLine();
bw = buildMethodComment(bw, "修改（根據主鍵ID修改）");
bw.newLine();
bw.write("\t" + "int update (" + beanName + " record);");
bw.newLine();
// ----------定義Mapper中的方法End----------
}
bw.newLine();
bw.write("}");
bw.flush();
bw.close();
}
/**
* 說明: 構建實體類映射XML文件<br>
* 創 建 人: hhl
* @param columns 字段名集合
* @param types 字段類型集合
* @param comments 字段註釋
* @throws IOException
*/
private void buildMapperXml(List<String> columns, List<String> types, List<String> comments) throws IOException {
File folder = new File(xml_path);
if (!folder.exists()) {
folder.mkdirs();
}
String xmlMapper = beanName + "Mapper";
File mapperXmlFile = new File(xml_path, xmlMapper + ".xml");
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(mapperXmlFile)));
bw.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
bw.newLine();
bw.write("<!DOCTYPE mapper PUBLIC \"-//mybatis.org//DTD Mapper 3.0//EN\" ");
bw.newLine();
bw.write(" \"http://mybatis.org/dtd/mybatis-3-mapper.dtd\">");
bw.newLine();
bw.write("<mapper namespace=\"" + mapper_package + "." + mapperName + "\">");
bw.newLine();
bw.newLine();
bw.write("\t<!--實體映射-->");
bw.newLine();
bw.write("\t<resultMap id=\"" + this.processResultMapId(beanName) + "ResultMap\" type=\"" + bean_package + "." + beanName + "\">");
bw.newLine();
bw.write("\t\t<!--" + comments.get(0) + "-->");
bw.newLine();
bw.write("\t\t<id property=\"" + this.processField(columns.get(0)) + "\" column=\"" + columns.get(0) + "\" />");
bw.newLine();
int size = columns.size();
for (int i = 1; i < size; i++) {
bw.write("\t\t<!--" + comments.get(i) + "-->");
bw.newLine();
bw.write("\t\t<result property=\""
+ this.processField(columns.get(i)) + "\" column=\"" + columns.get(i) + "\" />");
bw.newLine();
}
bw.write("\t</resultMap>");
bw.newLine();
bw.newLine();
bw.newLine();
// 下面開始寫SqlMapper中的方法
buildSQL(bw, columns, types);
bw.write("</mapper>");
bw.flush();
bw.close();
}
/**
* 說明: 構建增、刪、改、查sql語句<br>
* 創 建 人: hhl
* @param bw
* @param columns 字段名集合
* @param types 字段類型集合
* @throws IOException
*/
private void buildSQL(BufferedWriter bw, List<String> columns, List<String> types) throws IOException {
//創建通用列字段名
BaseColumnList(bw, columns, types);
// 通用結果條件
ParamSQL(bw, columns, types);
// 查詢（根據主鍵ID查詢）
selectByPrimaryKey(bw, columns, types);
// 查詢（根據條件查詢列表）
selectListByParam(bw, columns, types);
// 刪除（根據主鍵ID刪除）
deleteByPrimaryKey(bw, columns, types);
//新增（匹配有值的字段）
insert(bw, columns, types);
// 修改update方法
update(bw, columns, types);
bw.newLine();
}
/**
* 說明: 創建sql通用列<br>
* 創 建 人: hhl
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void BaseColumnList(BufferedWriter bw, List<String> columns, List<String> types) throws IOException {
int size = columns.size();
// 通用結果列
bw.write("\t<!-- 通用查詢結果列-->");
bw.newLine();
bw.write("\t<sql id=\"Base_Column_List\">");
bw.newLine();
for (int i = 0; i < size; i++) {
bw.write("\t\t");
bw.write(columns.get(i));
if (i != size - 1) {
bw.write(",");
bw.newLine();
}
}
bw.newLine();
bw.write("\t</sql>");
bw.newLine();
bw.newLine();
}
/**
* 說明:通用查詢條件 <br>
* 創 建 人: hhl
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void ParamSQL(BufferedWriter bw, List<String> columns, List<String> types) throws IOException{
bw.write("\t<!-- 通用查詢條件-->");
bw.newLine();
bw.write("\t<sql id=\"ParamSQL\">");
bw.newLine();
for (int k = 1; k < columns.size(); k++) {
String tempField = processField(columns.get(k));
bw.write("\t\t <if test=\"" + tempField + " != null and "+tempField+" !='' \">");
bw.newLine();
bw.write("\t\t\t AND " + columns.get(k) + " = #{" + tempField + "}");
bw.newLine();
bw.write("\t\t </if>");
bw.newLine();
}
bw.write("\t</sql>");
bw.newLine();
bw.newLine();
}
/**
* 說明: 查詢（根據主鍵ID查詢）<br>
* 創 建 人: hhl
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void selectByPrimaryKey(BufferedWriter bw, List<String> columns, List<String> types) throws IOException{
bw.write("\t<!-- 查詢（根據主鍵ID查詢） -->");
bw.newLine();
bw.write("\t<select id=\"selectByPrimaryKey\" parameterType=\"java.lang." + processType(types.get(0)) + "\" resultMap=\"" + processResultMapId(beanName) + "ResultMap\" >");
bw.newLine();
bw.write("\t\t SELECT");
bw.newLine();
bw.write("\t\t\t <include refid=\"Base_Column_List\" />");
bw.newLine();
bw.write("\t\t FROM " + tableName);
bw.newLine();
bw.write("\t\t WHERE " + columns.get(0) + " = #{" + processField(columns.get(0)) + "}");
bw.newLine();
bw.write("\t</select>");
bw.newLine();
bw.newLine();
}
/**
* 說明: 查詢（根據條件查詢列表）<br>
* 創 建 人: hhl
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void selectListByParam(BufferedWriter bw, List<String> columns, List<String> types) throws IOException{
bw.write("\t<!-- 查詢（根據條件查詢列表） -->");
bw.newLine();
bw.write("\t<select id=\"selectListByParam\" parameterType=\"" + bean_package + "." + beanName + "\" resultMap=\"" + processResultMapId(beanName) + "ResultMap\">");
bw.newLine();
bw.write("\t\t SELECT");
bw.newLine();
bw.write("\t\t\t <include refid=\"Base_Column_List\" />");
bw.newLine();
bw.write("\t\t FROM " + tableName);
bw.newLine();
bw.write("\t\t <where>");
bw.newLine();
bw.write("\t\t\t <include refid=\"ParamSQL\" />");
bw.newLine();
bw.write("\t\t</where>");
bw.newLine();
bw.write("\t</select>");
bw.newLine();
bw.newLine();
}
/**
* 說明: 刪除：根據主鍵ID刪除<br>
* 創 建 人: hhl
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void deleteByPrimaryKey(BufferedWriter bw, List<String> columns, List<String> types) throws IOException{
bw.write("\t<!--刪除：根據主鍵ID刪除-->");
bw.newLine();
bw.write("\t<delete id=\"deleteByPrimaryKey\" parameterType=\"java.lang." + processType(types.get(0)) + "\">");
bw.newLine();
bw.write("\t\t DELETE FROM " + tableName);
bw.newLine();
bw.write("\t\t WHERE " + columns.get(0) + " = #{" + processField(columns.get(0)) + "}");
bw.newLine();
bw.write("\t</delete>");
bw.newLine();
bw.newLine();
}
/**
* Description: 新增 <br>
* 創 建 人: hhl
* 創建日期:2019年2月15日 下午2:20:18
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void insert(BufferedWriter bw, List<String> columns, List<String> types) throws IOException{
bw.write("\t<!-- 添加 （匹配有值的字段）-->");
bw.newLine();
bw.write("\t<insert id=\"insert\" parameterType=\"" + bean_package + "." + beanName + "\">");
bw.newLine();
bw.write("\t\t INSERT INTO " + tableName);
bw.newLine();
bw.write("\t\t <trim prefix=\"(\" suffix=\")\" suffixOverrides=\",\" >");
bw.newLine();
String tempField;
for (String column : columns) {
tempField = processField(column);
bw.write("\t\t\t<if test=\"" + tempField + " != null and "+tempField+" !='' \">");
bw.write(column + ",");
bw.write("</if>");
bw.newLine();
}
bw.write("\t\t </trim>");
bw.newLine();
bw.write("\t\t <trim prefix=\"values (\" suffix=\")\" suffixOverrides=\",\" >");
bw.newLine();
for (String column : columns) {
tempField = processField(column);
bw.write("\t\t\t<if test=\"" + tempField + " != null and "+tempField+" !='' \">");
bw.write(" #{" + tempField + "},");
bw.write("</if>");
bw.newLine();
}
bw.write("\t\t </trim>");
bw.newLine();
bw.write("\t</insert>");
bw.newLine();
bw.newLine();
}
/**
* Description: 修改<br>
* 創 建 人: hhl
* 創建日期:2019年2月15日 下午2:23:17
* @param bw
* @param columns
* @param types
* @throws IOException
*/
public static void update(BufferedWriter bw, List<String> columns, List<String> types) throws IOException{
bw.write("\t<!-- 修 改-->");
bw.newLine();
bw.write("\t<update id=\"update\" parameterType=\"" + bean_package + "." + beanName + "\">");
bw.newLine();
bw.write("\t\t UPDATE " + tableName);
bw.newLine();
bw.write("\t\t <trim prefix=\"set\" suffixOverrides=\",\">");
bw.newLine();
String tempField;
for (int i = 1; i < columns.size(); i++) {
tempField = processField(columns.get(i));
bw.write("\t\t\t<if test=\"" + tempField + " != null and "+tempField+" !='' \">");
bw.write(columns.get(i) + " = #{" + tempField + "},");
bw.write("</if>");
bw.newLine();
}
bw.write("\t\t</trim>");
bw.newLine();
bw.write("\t\t WHERE " + columns.get(0) + " = #{" + processField(columns.get(0)) + "}");
bw.newLine();
bw.write("\t</update>");
bw.newLine();
bw.newLine();
}
}
