ssm框架写接口
运行入口:http://localhost:8080/java/selectIssueAll/getcityname 方法类:webview.controller.stsCityGuide.IssueController.java service接口:webview.service.stsCityGuide.IssueService(接口) service.impl接口(继承service,返回方法):webview.service.stsCityGuide.impl.IssueserviceImpl (implements IssueService)(return issueDao.getCityName()) Dao接口:webview.dao.stsCityGuide.IssueDao(接口) xml文件里的方法对应Dao接口里的方法:webview.mapping.IssueMapping.xml Entiy写实体类,对应数据库表的方法:webview.entity.sysConfig.SimpleInfo