学会这12个Java开发框架轻松拿到30K+

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开发程序员必须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，北游给大家讲解一下这15个通用的、必须掌握的框架，学会这些，多的不说，拿不到30K你把我头锤烂！","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":"同时也给大家整理了一些不错的资料，需要的话直接点击领取就好了","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个框架源码读写笔记","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":"一线互联网公司Java面试核心知识点","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架构师经典学习书籍","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金三银四面试真题合集","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":"欢迎关注我的专栏","attrs":{}},{"type":"link","attrs":{"href":"https://juejin.cn/column/6960572735802212382","title":"","type":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"一头扎进Java","attrs":{}}]},{"type":"text","text":"，这个专栏会持续更新Java学习干货，期待一起成长！","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，话不多说，坐稳扶好，发车喽！","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":"这个不用多说吧，毫无疑问，Spring 框架现在是 Java 后端框架家族里面最强大的一个，其拥有 IOC 和 AOP 两大利器，大大简化了软件开发复杂性。并且，Spring 现在能与所有主流开发框架集成，可谓是一个万能框架，Spring 让 JAVA 开发变得更多简单","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 框架是一个分层架构，由 7 个定义良好的模块组成。Spring 模块构建在核心容器之上，核心容器定义了创建、配置和管理 bean 的方式，如图 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":"组成 Spring 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异常层次结构。","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 框架插入了若干个 ORM 框架，从而提供了 ORM 的对象关系工具，其中包括 JDO、Hibernate 和 iBatis SQL Map。所有这些都遵从 Spring 的通用事务和 DAO 异常层次结构。","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"Spring Web 模块","attrs":{}},{"type":"text","text":"：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Web 上下文模块建立在应用程序上下文模块之上，为基于 Web 的应用程序提供了上下文。所以，Spring 框架支持与 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":"看控制台信息实例化成功","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，使用静态工厂方法实例化","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测试类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 System.out.println(\"calendarObj2:\"+cr2);\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","marks":[{"type":"italic","attrs":{}}],"text":"2.3**看控制台","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":"calendarObj2:java.util.GregorianCalendar[time=1478679801586,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=586,ZONE_OFFSET=28800000,DST_OFFSET=0]","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":"实例化成功","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"3，实例工厂实例化","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3.1）在applicationContext.xml配置文件中添加","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"\n 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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 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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）控制台输出","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":"说明已经获得数据库连接了","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"4.2）利用构造器参数实现依赖属性的注入","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.2.1）先建一个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）创建user实体类","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）创建接口UserDao,写一个通过用户名查询用户的方法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）创建MySqlUserDao实现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(\"-----------查询用户信息-------------\");\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支持利用构造器注入参数实例化bean方式，只要在配置文件增加构造器参数constructor-arg,Spring就会自动的调用有参的构造器创建bean对象实例。","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）在测试类写个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）控制台正确输出用户信息说明构造器注入成功","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）失败可能没在mysqluserdao增加有参构造器","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"4.3.利用自动装配实现自动属性注入","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4.3.1）创建一个UserLoginService类，写一个登录方法login()，该方法依赖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属性有四种方式默认是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）写测试方法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）控制台输出","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":"自动装配说明成功","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":"由于篇幅所限后面提到的一些框架我就不一一展开讲了，给大家贴一下官网地址和源码地址，自己弄不明白的朋友可以进群领取一下相应框架学习笔记。","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 曾是开源软件组 Apache 推出的一种轻量级的对象关系映射持久层（ORM）框架，随着开发团队转投Google Code 旗下，ibatis 3.x 正式更名为 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":"官网：","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":"源码：","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 是一个开放源代码的对象关系映射框架，它对 JDBC 进行了非常轻量级的对象封装，它将 POJO 与数据库表建立映射关系，是一个全自动的 orm 框架。Hibernate 可以自动生成 SQL 语句，自动执行，使得 Java 程序员可以随心所欲的使用对象编程思维来操作数据库。","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":"官网：","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":"源码：","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是阿里巴巴开源的基于 Java 的高性能 RPC 分布式服务框架，现已成为 Apache 基金会孵化项目。使用 Dubbo 可以将核心业务抽取出来，作为独立的服务，逐渐形成稳定的服务中心，可用于提高业务复用灵活扩展，使前端应用能更快速的响应多变的市场需求。","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":"官网：","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":"源码：","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 提供的一个开源的、异步的、基于事件驱动的网络通信框架，用 Netty 可以快速开发高性能、高可靠性的网络服务器和客户端程序，Netty 简化了网络应用的编程开发过程，使开发网络编程变得异常简单。","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":"官网：","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":"源码：","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是一个强大而灵活的开源安全框架，它干净利落地处理身份认证，授权，企业会话管理和加密。","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":"官网：","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":"源码：","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 是一个纯Java的进程内缓存框架，具有快速、精干等特点，是 Hibernate 中默认的CacheProvider。它使用的是 JVM 的堆内存，超过内存可以设置缓存到磁盘，企业版的可以使用 JVM 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