<form bindsubmit="evaSubmit">
   <textarea name="evaContent" maxlength="500" value="{{evaContent}}" class="weui-textarea" placeholder="填寫(xiě)內(nèi)容(12-500字)"bindblur="charChange" />     
   <button formType="submit" disabled="{{subdisabled}}" class="weui-btn mini-btn" type="primary" size="mini">提交</button>
 </form>

var app = getApp();
Page({
 data:{
   evaContent  : ''
 },
 onLoad:function(){
 },
 onReady:function(){
  // 頁(yè)面渲染完成
 },
 onShow:function(){
  // 頁(yè)面顯示
 },
 onHide:function(){
  // 頁(yè)面隱藏
 },
 onUnload:function(){
  // 頁(yè)面關(guān)閉
 },
 //事件
 textBlur: function(e){
   if(e.detail&&e.detail.value.length>0){
    if(e.detail.value.length<12||e.detail.value.length>500){
     //app.func.showToast('內(nèi)容為12-500個(gè)字符','loading',1200);
    }else{
     this.setData({
       evaContent : e.detail.value
     });
    }
   }else{
    this.setData({
      evaContent : ''
    });
    evaData.evaContent = '';
    app.func.showToast('請(qǐng)輸入投訴內(nèi)容','loading',1200);
   }
 },
 //提交事件
 evaSubmit:function(eee){  
  var that = this;
  //提交(自定義的get方法)
  app.func.req('http://localhost:1111/ffeva/complaint?content=''+this.data.evaContent),get,function(res){
      console.log(res);
      if(res.result==='1'){
       //跳轉(zhuǎn)到首頁(yè)
       app.func.showToast('提交成功','loading',1200);
      }else{
       app.func.showToast('提交失敗','loading',1200);
      }
  });
 }
})