學會這12個Java開發框架輕鬆拿到30K+

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"前言","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Java 程序員方向太多,且不說移動開發、大數據、區塊鏈、人工智能這些,大部分 Java 程序員都是 Java Web/後端開發。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"那作爲一名 Java Web 開發程序員必須需要熟悉哪些框架呢?","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"今天,北遊給大家講解一下這15個通用的、必須掌握的框架,學會這些,多的不說,拿不到30K你把我頭錘爛!","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"同時也給大家整理了一些不錯的資料,需要的話直接點擊領取就好了","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://jq.qq.com/?_wv=1027&k=PjEVS3qt","title":"","type":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"15個框架源碼讀寫筆記","attrs":{}}]}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://jq.qq.com/?_wv=1027&k=PjEVS3qt","title":"","type":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"一線互聯網公司Java面試核心知識點","attrs":{}}]}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://jq.qq.com/?_wv=1027&k=PjEVS3qt","title":"","type":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"22本Java架構師經典學習書籍","attrs":{}}]}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://jq.qq.com/?_wv=1027&k=PjEVS3qt","title":"","type":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"2021金三銀四面試真題合集","attrs":{}}]}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"歡迎關注我的專欄","attrs":{}},{"type":"link","attrs":{"href":"https://juejin.cn/column/6960572735802212382","title":"","type":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"一頭扎進Java","attrs":{}}]},{"type":"text","text":",這個專欄會持續更新Java學習乾貨,期待一起成長!","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"好了,話不多說,坐穩扶好,發車嘍!","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"一、Spring系列","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"這個不用多說吧,毫無疑問,Spring 框架現在是 Java 後端框架家族裏面最強大的一個,其擁有 IOC 和 AOP 兩大利器,大大簡化了軟件開發複雜性。並且,Spring 現在能與所有主流開發框架集成,可謂是一個萬能框架,Spring 讓 JAVA 開發變得更多簡單","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Spring 框架是一個分層架構,由 7 個定義良好的模塊組成。Spring 模塊構建在覈心容器之上,核心容器定義了創建、配置和管理 bean 的方式,如圖 1所示。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/b4/b44525d3a76a531f0206c18331cbef87.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"組成 Spring 框架的每個模塊(或組件)都可以單獨存在,或者與其他一個或多個模塊聯合實現。每個模塊的功能如下:","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"核心容器","attrs":{}},{"type":"text","text":":","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"核心容器提供 Spring 框架的基本功能。核心容器的主要組件是 BeanFactory,它是工廠模式的實現。BeanFactory 使用控制反轉 (IOC) 模式將應用程序的配置和依賴性規範與實際的應用程序代碼分開。","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"Spring上下文:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Spring 上下文是一個配置文件,向 Spring 框架提供上下文信息。Spring 上下文包括企業服務,例如 JNDI、EJB、電子郵件、國際化、校驗和調度功能。","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"Spring 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異常層次結構。","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"Spring ORM","attrs":{}},{"type":"text","text":":","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Spring 框架插入了若干個 ORM 框架,從而提供了 ORM 的對象關係工具,其中包括 JDO、Hibernate 和 iBatis SQL Map。所有這些都遵從 Spring 的通用事務和 DAO 異常層次結構。","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"Spring Web 模塊","attrs":{}},{"type":"text","text":":","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Web 上下文模塊建立在應用程序上下文模塊之上,爲基於 Web 的應用程序提供了上下文。所以,Spring 框架支持與 Jakarta Struts 的集成。Web 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cr = ac.getBean(\"calendarObj1\",Calendar.class);\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"看控制檯信息實例化成功","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"calendarObj1:java.util.GregorianCalendar[time=1478679801551,areFieldsSet=true,areAllFieldsSet=true,lenient=true,zone=sun.util.calendar.ZoneInfo[id=\"Asia/Shanghai\",offset=28800000,dstSavings=0,useDaylight=false,transitions=19,lastRule=null],firstDayOfWeek=1,minimalDaysInFirstWeek=1,ERA=1,YEAR=2016,MONTH=10,WEEK_OF_YEAR=46,WEEK_OF_MONTH=2,DAY_OF_MONTH=9,DAY_OF_YEAR=314,DAY_OF_WEEK=4,DAY_OF_WEEK_IN_MONTH=2,AM_PM=1,HOUR=4,HOUR_OF_DAY=16,MINUTE=23,SECOND=21,MILLISECOND=551,ZONE_OFFSET=28800000,DST_OFFSET=0]","attrs":{}}]}],"attrs":{}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"2,使用靜態工廠方法實例化","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2.1) 在配置文件添加","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"*\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2.2) 在TestCase測試類test方法中添加","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"Calendar cr2 = ac.getBean(\"calendarObj2\",Calendar.class);\n\n 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\n \n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3.2)在測試類test方法增加","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"Date date = ac.getBean(\"dateObj\",Date.class);\n\n System.out.println(\"calendarObj3:\"+date);\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3.3 junit測試,控制輸出","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"calendarObj3:Wed Nov 09 16:23:21 CST 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com.spring.dao;\n\nimport java.io.Serializable;\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class JDBCDataSource implements Serializable{\n private static final long serialVersionUID = 1L;\n private String driver;\n private String url;\n private String username;\n private String password;\n public String getDriver() {\n return driver;\n }\n public void setDriver(String driver) {\n try{\n Class.forName(driver);\n this.driver = driver;\n }catch(Exception e){\n throw new RuntimeException(e);\n }\n }\n public String getUrl() {\n return url;\n }\n public void setUrl(String url) {\n this.url = url;\n }\n public String getUsername() {\n return username;\n }\n public void setUsername(String username) {\n this.username = username;\n }\n public String getPassword() {\n return password;\n }\n public void setPassword(String password) {\n this.password = password;\n }\n public static long getSerialversionuid() {\n return serialVersionUID;\n }\n public Connection getConnection() throws SQLException{\n Connection cn = DriverManager.getConnection(url,username,password);\n return cn;\n }\n public void close(Connection cn){\n if(cn!=null){\n try{\n cn.close();\n }catch(SQLException e){\n e.printStackTrace();\n }\n }\n }\n}\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.1.3)利用spring實現JDBCDataSource對象的創建,再使用set注入方式將數據庫參數注入給JDBCDataSource,這樣就可以正常的調用getConnection()方法獲得數據庫連接了。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.1.4)TestCase測試連接方法","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"@Test\n public void testJDBCDataSource() throws SQLException{\n String conf = \"applicationContext.xml\";\n ApplicationContext ac = new ClassPathXmlApplicationContext(conf);\n JDBCDataSource jds = ac.getBean(\"dataSource\",JDBCDataSource.class);\n Connection cn = jds.getConnection();\n System.out.println(cn);\n }\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.1.5)控制檯輸出","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"com.mysql.jdbc.JDBC4Connection@1a7244ca","attrs":{}}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"說明已經獲得數據庫連接了","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"4.2)利用構造器參數實現依賴屬性的注入","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.1)先建一個user表","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"CREATE TABLE `user` (\n `id` int(18) NOT NULL AUTO_INCREMENT,\n `name` varchar(50) CHARACTER SET utf8 DEFAULT NULL,\n `phone` varchar(20) DEFAULT NULL,\n `password` varchar(50) CHARACTER SET utf8 DEFAULT NULL,\n `gender` varchar(10) CHARACTER SET utf8 DEFAULT NULL,\n PRIMARY KEY (`id`)\n) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1;\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.2)創建user實體類","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"package com.spring.entity;\n\npublic class User {\n private String id;\n private String name;\n private String phone;\n private String password;\n private String gender;\n \n public User(String id, String name, String phone, String password,\n String gender) {\n super();\n this.id = id;\n this.name = name;\n this.phone = phone;\n this.password = password;\n this.gender = gender;\n }\n public User() {\n }\n public String getId() {\n return id;\n }\n public void setId(String id) {\n this.id = id;\n }\n public String getName() {\n return name;\n }\n public void setName(String name) {\n this.name = name;\n }\n public String getPhone() {\n return phone;\n }\n public void setPhone(String phone) {\n this.phone = phone;\n }\n public String getPassword() {\n return password;\n }\n public void setPassword(String password) {\n this.password = password;\n }\n public String getGender() {\n return gender;\n }\n public void setGender(String gender) {\n this.gender = gender;\n }\n @Override\n public String toString() {\n return \"User [id=\" + id + \", name=\" + name + \", phone=\" + phone\n + \", password=\" + password + \", gender=\" + gender + \"]\";\n }\n @Override\n public int hashCode() {\n final int prime = 31;\n int result = 1;\n result = prime * result + ((gender == null) ? 0 : gender.hashCode());\n result = prime * result + ((id == null) ? 0 : id.hashCode());\n result = prime * result + ((name == null) ? 0 : name.hashCode());\n result = prime * result\n + ((password == null) ? 0 : password.hashCode());\n result = prime * result + ((phone == null) ? 0 : phone.hashCode());\n return result;\n }\n @Override\n public boolean equals(Object obj) {\n if (this == obj)\n return true;\n if (obj == null)\n return false;\n if (getClass() != obj.getClass())\n return false;\n User other = (User) obj;\n if (gender == null) {\n if (other.gender != null)\n return false;\n } else if (!gender.equals(other.gender))\n return false;\n if (id == null) {\n if (other.id != null)\n return false;\n } else if (!id.equals(other.id))\n return false;\n if (name == null) {\n if (other.name != null)\n return false;\n } else if (!name.equals(other.name))\n return false;\n if (password == null) {\n if (other.password != null)\n return false;\n } else if (!password.equals(other.password))\n return false;\n if (phone == null) {\n if (other.phone != null)\n return false;\n } else if (!phone.equals(other.phone))\n return false;\n return true;\n }\n \n\n}\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.3)創建接口UserDao,寫一個通過用戶名查詢用戶的方法findUserByName(String name)","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"package com.spring.dao;\n\nimport com.spring.entity.User;\n\npublic interface UserDao {\n public User findUserByName(String name);\n}\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.4)創建MySqlUserDao實現UserDao,","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"package com.spring.dao;\n\nimport java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.ResultSet;\n\nimport com.spring.entity.User;\n\npublic class MysqlUserDao implements UserDao{\n \n private JDBCDataSource dataSource;\n \n public JDBCDataSource getDataSource() {\n return dataSource;\n }\n public void setDataSource(JDBCDataSource dataSource) {\n this.dataSource = dataSource;\n }\n \n public MysqlUserDao(JDBCDataSource dataSource) {\n super();\n this.dataSource = dataSource;\n }\n @Override\n public User findUserByName(String name) {\n // TODO Auto-generated method stub\n System.out.println(\"-----------查詢用戶信息-------------\");\n String sql = \"select * from user where name = ?\";\n Connection con = null;\n try{\n String url = dataSource.getUrl();\n System.out.println(url);\n con = dataSource.getConnection();\n PreparedStatement ps = con.prepareStatement(sql);\n ps.setString(1, name);\n ResultSet rs = ps.executeQuery();\n User user = null;\n while(rs.next()){\n user = new User();\n user.setId(rs.getString(\"id\"));\n user.setName(rs.getString(\"name\"));\n user.setGender(rs.getString(\"gender\"));\n user.setPassword(rs.getString(\"password\"));\n user.setPhone(rs.getString(\"phone\"));\n }\n rs.close();\n ps.close();\n return user;\n }catch(Exception e){\n e.printStackTrace();\n throw new RuntimeException(e);\n }finally{\n dataSource.close(con);\n }\n }\n\n}\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.5)Spring支持利用構造器注入參數實例化bean方式,只要在配置文件增加構造器參數constructor-arg,Spring就會自動的調用有參的構造器創建bean對象實例。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"\n \n \n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.6)在測試類寫個testFindUserByName方法","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"@Test\n public void testFindUserByName(){\n String con = \"applicationContext.xml\";\n ApplicationContext ac = new ClassPathXmlApplicationContext(con);\n UserDao userDao = ac.getBean(\"userDao\",UserDao.class);\n User user = userDao.findUserByName(\"lisi\");\n System.out.println(user);\n \n }\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.7)控制檯正確輸出用戶信息說明構造器注入成功","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"User [id=2, name=lisi, phone=110, password=321654, gender=1]","attrs":{}}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.8)失敗可能沒在mysqluserdao增加有參構造器","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"4.3.利用自動裝配實現自動屬性注入","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.3.1)創建一個UserLoginService類,寫一個登錄方法login(),該方法依賴finfUserByName()方法","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"package com.spring.service;\n\nimport com.spring.dao.UserDao;\nimport com.spring.entity.User;\n\npublic class UserLoginService {\n private UserDao userDao;\n\n public UserDao getUserDao() {\n return userDao;\n }\n\n\n public void setUserDao(UserDao userDao) {\n this.userDao = userDao;\n }\n public User login(String name,String password){\n try{\n User user = userDao.findUserByName(name);\n if(user.getPassword().equals(password)){\n return user;\n }\n return null;\n }catch(Exception e){\n e.printStackTrace();\n return null;\n \n }\n \n }\n}\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.3.2)autowire屬性有四種方式默認是no,(1).byName(2)byType,(3)constuctor,(4)autodetect,","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/f9/f91fbfb88f83745dba8e06e3c8bd2926.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.3.3)修改配置文件,添加配置","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"\n \n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.3.4)寫測試方法testUserLogin()","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"@Test\n public void testUserLogin(){\n String con = \"applicationContext.xml\";\n ApplicationContext ac = new ClassPathXmlApplicationContext(con);\n UserLoginService us = ac.getBean(\"userLoginService\",UserLoginService.class);\n User user = us.login(\"lisi\", \"321654\");\n System.out.println(user);\n }\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.3.5)控制檯輸出","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"User [id=2, name=lisi, phone=110, password=321654, gender=1]","attrs":{}}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"自動裝配說明成功","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"horizontalrule","attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"由於篇幅所限後面提到的一些框架我就不一一展開講了,給大家貼一下官網地址和源碼地址,自己弄不明白的朋友可以進羣領取一下相應框架學習筆記。","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"二、Mybatis/ iBatis","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"iBatis 曾是開源軟件組 Apache 推出的一種輕量級的對象關係映射持久層(ORM)框架,隨着開發團隊轉投Google Code 旗下,ibatis 3.x 正式更名爲 Mybatis,即:iBatis 2.x, MyBatis 3.x。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"官網:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=http%3A//www.mybatis.org/mybatis-3/","title":"","type":null},"content":[{"type":"text","text":"http://www.mybatis.org/mybatis-3/","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"源碼:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=https%3A//github.com/mybatis","title":"","type":null},"content":[{"type":"text","text":"https://github.com/mybatis","attrs":{}}]}]}],"attrs":{}},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"三、Hibernate","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Hibernate 是一個開放源代碼的對象關係映射框架,它對 JDBC 進行了非常輕量級的對象封裝,它將 POJO 與數據庫表建立映射關係,是一個全自動的 orm 框架。Hibernate 可以自動生成 SQL 語句,自動執行,使得 Java 程序員可以隨心所欲的使用對象編程思維來操作數據庫。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"官網:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=http%3A//hibernate.org/","title":"","type":null},"content":[{"type":"text","text":"http://hibernate.org/","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"源碼:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=https%3A//github.com/hibernate","title":"","type":null},"content":[{"type":"text","text":"https://github.com/hibernate","attrs":{}}]}]}],"attrs":{}},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"四、Dubbo","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Dubbo是阿里巴巴開源的基於 Java 的高性能 RPC 分佈式服務框架,現已成爲 Apache 基金會孵化項目。使用 Dubbo 可以將核心業務抽取出來,作爲獨立的服務,逐漸形成穩定的服務中心,可用於提高業務複用靈活擴展,使前端應用能更快速的響應多變的市場需求。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"官網:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=http%3A//dubbo.apache.org","title":"","type":null},"content":[{"type":"text","text":"http://dubbo.apache.org","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"源碼:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=https%3A//github.com/apache/incubator-dubbo","title":"","type":null},"content":[{"type":"text","text":"https://github.com/apache/incubator-dubbo","attrs":{}}]}]}],"attrs":{}},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"五、Netty","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Netty 是由 JBOSS 提供的一個開源的、異步的、基於事件驅動的網絡通信框架,用 Netty 可以快速開發高性能、高可靠性的網絡服務器和客戶端程序,Netty 簡化了網絡應用的編程開發過程,使開發網絡編程變得異常簡單。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"官網:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=https%3A//netty.io/","title":"","type":null},"content":[{"type":"text","text":"https://netty.io/","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"源碼:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=https%3A//github.com/netty/netty","title":"","type":null},"content":[{"type":"text","text":"https://github.com/netty/netty","attrs":{}}]}]}],"attrs":{}},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"六、Shiro","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Apache Shiro是一個強大而靈活的開源安全框架,它乾淨利落地處理身份認證,授權,企業會話管理和加密。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"官網:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=http%3A//shiro.apache.org/","title":"","type":null},"content":[{"type":"text","text":"http://shiro.apache.org/","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"源碼:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://link.zhihu.com/?target=https%3A//github.com/apache/shiro","title":"","type":null},"content":[{"type":"text","text":"https://github.com/apache/shiro","attrs":{}}]}]}],"attrs":{}},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"七、Ehcache","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"EhCache 是一個純Java的進程內緩存框架,具有快速、精幹等特點,是 Hibernate 中默認的CacheProvider。它使用的是 JVM 的堆內存,超過內存可以設置緩存到磁盤,企業版的可以使用 JVM 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