1.我们调用的是JSON.parseObject(),这个方法,它可以将JSON格式的字符串反序列化转化成java对象 2.怎么使用 1.将JSON字符串转换成特定Java对象 String json = "{"name": "zhanghada" , "age": 18}"; User user = JSON.parseObject(json,User.class) ; =》如果有一个与json参数内的属性一一对应的实体类对...
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菜鸟之路Day34一一Mybatis-基础操作 简介:本文介绍了MyBatis的基础操作,包括删除、插入、修改和查询功能的实现。通过`@Delete`、`@Insert`、`@Update`和`@Select`注解完成对应操作,支持主键自动生成与返回。同时探讨了`#{}`和`${}`的区别,前者用于预编译SQL提升安全性,后者直接拼接但存在SQL注入风险。文章还提供...
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Methods inherited from class java.lang.Object clone,finalize,getClass,notify,notifyAll,wait,wait,wait Method Detail now public staticMonthDaynow() Obtains the current month-day from the system clock in the default time-zone. This will query thesystem clockin the default time-zone to obtain the...