Java学习的第二十四天:SSM框架
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数据库
图书分类表
##
整合spring
创建po
package com.xiao.po;
import java.io.Serializable;
//图书类的一个对象:
//实现虚拟化
public class ClassInfo implements Serializable {
private Integer id;
private String name;
private String renarks;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getRenarks() {
return renarks;
}
public void setRenarks(String renarks) {
this.renarks = renarks;
}
}
创建dao
package com.xiao.dao;
//查询所以的用户信息
import com.xiao.po.ClassInfo;
import java.util.List;
public interface ClassInfoDao {
//查询所有的图类型信息
List<ClassInfo> queryClassInfoAll();
}
创建service
package com.xiao.service;
import com.xiao.po.ClassInfo;
import java.util.List;
public interface ClassInfoService {
List<ClassInfo> queryClassInfoAll();
}
创建ServiceImpl
package com.xiao.service.Impl;
import com.xiao.po.ClassInfo;
import com.xiao.service.ClassInfoService;
import org.springframework.stereotype.Service;
import java.util.List;
配置sepring。xml文件:
package com.xiao.demo;
import com.xiao.po.ClassInfo;
import com.xiao.service.ClassInfoService;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
//c测试spring是否能执行:
public class TestDemo {