pom.xml:

<?xml version="1.0" encoding="UTF-8"?> <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>com.henu</groupId><artifactId>mybatis01</artifactId><version>1.0-SNAPSHOT</version><packaging>jar</packaging> <!--打包方式--><dependencies><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.4.5</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.6</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.12</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.10</version></dependency></dependencies></project>

User:

package com.henu.bean;import javafx.scene.chart.PieChart;import java.io.Serializable; import java.util.Date;public class User implements Serializable {private Integer id;private String username;private Date birthday;private String sex;private String address;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 Date getBirthday() {return birthday;}public void setBirthday(Date birthday) {this.birthday = birthday;}public String getSex() {return sex;}public void setSex(String sex) {this.sex = sex;}public String getAddress() {return address;}public void setAddress(String address) {this.address = address;}@Overridepublic String toString() {return "User{" +"id=" + id +", username='" + username + '\'' +", birthday=" + birthday +", sex='" + sex + '\'' +", address='" + address + '\'' +'}';} }

UserDao

package com.henu.dao;import com.henu.bean.User;import java.util.List;public interface UserDao {/*** 查詢全部* @return*/List<User> findAll(); }

UserDao.xml

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd" > <mapper namespace="com.henu.dao.UserDao"><!--配置查詢所有--><!--id為方法名稱--><select id="findAll" resultType="com.henu.bean.User">select * from user</select></mapper>

SqlMapConfig.xml

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration><!-- 配置環境 --><environments default="mysql"><!--配置mysql的環境--><environment id="mysql"><!--配置事務的類型--><transactionManager type="JDBC"></transactionManager><!--配置數據源（連接池）--><dataSource type="POOLED"><!--配置連接數數據庫的基本信息--><property name="driver" value="com.mysql.jdbc.Driver"/><property name="url" value="jdbc:mysql://localhost:3306/mybatis"/><property name="username" value="root"/><property name="password" value="123456"/></dataSource></environment></environments><!--指定映射配置文件的位置，映射配置文件指的是每一個dao獨立的配置文件--><mappers><mapper resource="com/henu/dao/UserDao.xml"/></mappers></configuration>

log4j.properties

# Global logging configuration log4j.rootLogger=ERROR, stdout # MyBatis logging configuration... log4j.logger.cn.wolfcode.mybatis=TRACE # Console output... log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

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