分类：省市区三级联动

2021
10-17

Ajax实现省市区三级联动

目录需要的jar包：数据库代码：省：市：区：页面展示代码：DBHelper类：总结需要的jar包：数据库代码：createdatabaseschoolcharactersetutf8;useschool;CREATEtableprovice(pidINTPRIMARYKEYauto_increment,pnamevarchar(20));INSERTintoproviceVALUES(null,"河南省");INSERTintoproviceVALUES(null,"山东省");INSERTintoproviceVALUES(null,"河北省");CREATEtablecity(cidINTPRIMARYKEYaut... 继续阅读 >