cclive1191191的专栏

@ResponseBody注解的用法 ，直接返回json对象 public Map<String, String> existGroupName(@RequestParam String groupName) {   String result = "";   Map<String, String> map = new HashMap<String, Strin...

  spring配置文件加上 <!-- 文件上传--> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" p:defaultEncoding="utf-8" > <property name="resol.