sqlConfig.xml 配置iBatis访问数据库
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd"> <sqlMapConfig> <transactionManager type="JDBC"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="com.mysql.jdbc.Driver" /> <property name="JDBC.ConnectionURL" value="jdbc:mysql://192.168.0.250:3306/common" /> <property name="JDBC.Username" value="admin" /> <property name="JDBC.Password" value="admin" /> </dataSource> </transactionManager> <sqlMap resource="com/ibatisdemo/user.xml" /> </sqlMapConfig>
user.xml iBatis 配置SQL
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd"> <sqlMap> <typeAlias alias="User" type="com.ibatisdemo.ShnUsers" /> <!-- 无参数的查询 --> <select id="queryUser" resultClass="User"> select * from shn_users </select> <!-- 有参数的查询 --> <select id="queryUserByUserid" resultClass="User" parameterClass="int"> select * from shn_users where userid=#userid# </select> <!-- 插入数据 --> <insert id="insertUser" parameterClass="User"> insert into shn_users(username,passwd,email,createtime,isban,lastupdate ,registerip,userstate) values(#username#,#passwd#,#email#,#createtime#,#isban#,#lastupdate# ,#registerip#,#userstate#) </insert> <!-- 删除数据 --> <delete id="deleteUser" parameterClass="User"> delete from shn_users where userid=#userid# </delete> <!-- 更新数据 --> <update id="updateUser" parameterClass="User"> update shn_users set username=#username# where userid=#userid# </update> <!-- 模糊查询 --> <select id="likeUser" parameterClass="String" resultClass="User"> select * from shn_users where username like '%$userid$%' </select> </sqlMap>
类文件
package com.ibatisdemo; import java.util.Date; import java.util.HashSet; import java.util.Set; /** * ShnUsers entity. * * @author MyEclipse Persistence Tools */ public class ShnUsers implements java.io.Serializable { // Fields /** * */ private static final long serialVersionUID = 6346476404799232913L; private Integer userid; private String username; private String passwd; private String email; private Date createtime; private Integer isban; private Date lastupdate; private String registerip; private String userstate; private String grade; private Integer score; private Integer rescore; private String life; private String question; private String answer; }
测试类调用 iBatis方法
public class test { public static void main(String[] args) { SqlMapClient sqlMapClient = null; try { Reader reader = com.ibatis.common.resources.Resources .getResourceAsReader("com/ibatisdemo/sqlConfig.xml"); sqlMapClient = com.ibatis.sqlmap.client.SqlMapClientBuilder .buildSqlMapClient(reader); reader.close(); } catch (IOException e) { e.printStackTrace(); } try { // //无参数的查询 // List<ShnUsers> userlist = sqlMapClient.queryForList("queryUser"); // for (ShnUsers user : userlist) { // System.out.print(user.getUsername()+"\n"); // System.out.print(user.getPasswd()+"\n"); // System.out.print(user.getAnswer()+"\n"); // } // // 有参数的查询 // ShnUsers us = (ShnUsers) sqlMapClient.queryForObject( // "queryUserByUserid", 2); // System.out.print(us.getUsername() + "\n"); // System.out.print(us.getPasswd() + "\n"); // System.out.print(us.getAnswer() + "\n"); // //添加数据 // ShnUsers users=new ShnUsers(); // users.setAnswer(""); // users.setCreatetime(new Date()); // users.setEmail(""); // users.setUsername(""); // users.setPasswd(""); // users.setLife(""); // users.setScore(123); // sqlMapClient.insert("insertUser", users); // //删除数据 // ShnUsers userds=new ShnUsers(); // userds.setUserid(729); // sqlMapClient.delete("deleteUser", userds); // //更新数据 // ShnUsers userus=new ShnUsers(); // userus.setUsername("123456"); // userus.setUserid(727); // sqlMapClient.delete("updateUser", userus); //模糊查询 List<ShnUsers> userlist = sqlMapClient.queryForList("likeUser", "a"); for (ShnUsers user : userlist) { System.out.print(user.getUsername()+"\n"); System.out.print(user.getPasswd()+"\n"); System.out.print(user.getAnswer()+"\n"); } } catch (Exception e) { e.printStackTrace(); } } }