@ResponseBody
@RequestMapping(value ="/selectByFormId",method = RequestMethod.GET)
public Map<String,Object> getClassName(String formId){
  List<String> list =formInfoService.selectClassName(formId);
  Map<String,Object> map = new HashMap<String, Object>();
  map.put("data", list);
  map.put("status", true);
  return map;
}

{"data":["璧勮璇瘋喘綾�","淇冮攢綾�","綆＄悊綾�","鏆傛敮綾�","鍌ㄨ繍綾�","璧勪駭綾�","璧勮鏈嶅姟綾�","宸梾綆＄悊綾�",<br>"閲囪喘綾�","浜轟簨鑰冨嫟綾�","璐㈠姟綾�","瀹㈡埛綾�","瑙嗘嫇綾�","瀹㈣瘔綾�","浜轟簨媧誨姩綾�","浜轟簨琛屾斂綾�","鍏枃綾�",<br>"璇鋒綾�","閿€綆＄被","钀ヨ繍涓氬姟綾�"],"status":true}

<!-- 解決ResponseBody 亂碼問題StringHttpMessageConverter這個轉換器轉換時，父類AbstractHttpMessageConverter的supportedMediaTypes屬性默認是iso-8895-1導致 -->           
  <mvc:annotation-driven> 
    <mvc:message-converters> 
      <bean class="org.springframework.http.converter.StringHttpMessageConverter"> 
        <property name="supportedMediaTypes" value="text/html;charset=utf-8"></property> 
      </bean> 
    </mvc:message-converters> 
  </mvc:annotation-driven> 

error：...cvc-complex-type.2.1: 元素 'mvc:annotation-driven' 必須不含字符或元素信息項 [子級], 因為該類型的內容類型為空。

<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xsi:schemaLocation="http://www.springframework.org/schema/beans  
            http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  
            http://www.springframework.org/schema/context  
            http://www.springframework.org/schema/context/spring-context-3.1.xsd  
            http://www.springframework.org/schema/mvc  
            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

{"data":["資訊請購類","促銷類","管理類","暫支類","儲運類","資產(chǎn)類","資訊服務類","差旅管理類","采購類","人事考勤類"<br>,"財務類","客戶類","視拓類","客訴類","人事活動類","人事行政類","公文類","請款類","銷管類","營運業(yè)務類"],"status":true}

StringHttpMessageConverter 這個方法 有很多轉換作用，有時間可以多看看