一、配置文件
1、在pom.xml中配置,添加依赖,配置mysql为例
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2、在yml里配置数据库驱动
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如果com.mysql.jdbc.diver报错无资源,点击pom.xml右键—maven—downloadsource
二、创建项目
1、新建一个实体类 girlEntity.java
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运行项目即可看到
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2、新建一个接口,继承JpaRepository
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3、向表中添加两条数据
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数据库的增删改查
1)查询表中所有数据
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查出结果
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2)增加一条数据
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结果:返回增加数据
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3)查询一条数据,通过id
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查询结果:
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4)更新数据
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更新前
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更新后
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5)删除数据
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删除前
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删除后
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6)通过指定条件查询数据
在girlRespository.java中加入
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在GirlController.java中调用
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结果:
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7)模糊查询
在girlRespository.java中加入
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在GirlController.java中调用
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结果:
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