做一个H5页面，选中图片后上传，遇到手机QQ浏览器时   不能及时识别change事件，真是日了狗了，下面是针对这一现象的解决办法，不用change事件：

                    
            
            
            
    
             
     
              
      
               
       
                
        
                     
         
                          
          
                               
           
            
                                 
             
              车辆档案                                
              
                                   
               
                
                                     
                 
                  个人资料                                
                  
                                       
                   
                    
                                         
                     
                      证件照片                                
                      
                                           
                       
                        
                                             
                         
                          提交审核                                        
                          
                                       
                           
                                            
                            
                             您即将成为益驾好教练,请先完善证件照
                             
                
                             
                                                  
                              
驾驶证正面照
                    
                              
                                                   
                               
                                                        
                                
                                                         
                                 
                                                                                      
                                  
                                                       
                                   
教练证正面照
                    
                                   
                                                        
                                    
                                                             
                                     
                                                              
                                      
                                                                                           
                                       
                                                        
                                        
                                                             
                                         
身份证正面照
                    
                                         
                                                              
                                          
                                                                   
                                           
                                                                    
                                            
                                                                                                 
                                             
                                                                  
                                              
行驶证正面照
                    
                                              
                                                                   
                                               
                                                                        
                                                
                                                                         
                                                 
                                                                                                      
                                                  
                                                   
                                                                                    
                                                    
                                                         $(document).ready(function(){        $.get(BASE_URL+"/basic/user/reload",{        },function(result){            if(result && result.success==true){                if(result.userInfo.lisence.coach){                    // $(".addCode[title='coach']").css("display","none");                    var lisenceType="coach";                    $.get(BASE_URL+"/basic/user/lisenceGettoken",{                        lisenceType:lisenceType                    },function(result){                        if(result && result.success==true){                            var downloadUrl=result.downloadUrl;                            $("
                                                     ").appendTo('.forInput[title="coach"]');                        }                    })                }                if(result.userInfo.lisence.drive){                    // $(".addCode[title='drive']").css("display","none");                    var lisenceType="drive";                    $.get(BASE_URL+"/basic/user/lisenceGettoken",{                        lisenceType:lisenceType                    },function(result){                        if(result && result.success==true){                            var downloadUrl=result.downloadUrl;                            $("
                                                     ").appendTo('.forInput[title="drive"]');                        }                    })                }                if(result.userInfo.lisence.driving){                    // $(".addCode[title='driving']").css("display","none");                    var lisenceType="driving";                    $.get(BASE_URL+"/basic/user/lisenceGettoken",{                        lisenceType:lisenceType                    },function(result){                        if(result && result.success==true){                            var downloadUrl=result.downloadUrl;                            $("
                                                     ").appendTo('.forInput[title="driving"]');                        }                    })                }                if(result.userInfo.lisence.identity){                    // $(".addCode[title='identity']").css("display","none");                    var lisenceType="identity";                    $.get(BASE_URL+"/basic/user/lisenceGettoken",{                        lisenceType:lisenceType                    },function(result){                        if(result && result.success==true){                            var downloadUrl=result.downloadUrl;                            $("
                                                     ").appendTo('.forInput[title="identity"]');                        }                    })                }            }else{                if(result && result.errorInfo=="请先登录"){                    location.href="/index.html";                }            }        })    })    function showPhoto(ele,type){        var files=ele.files,               file=files[0];         var reader = new FileReader();        reader.onload=function(){            $("
                                                     ").appendTo('.forInput[title'+'='+'"'+type+'"'+']');        }        reader.readAsDataURL(file);        var lisenceType=type;        $.get(BASE_URL+"/basic/user/lisenceUpToken",{                lisenceType:lisenceType        },function(result){            if(result && result.success == true){                var upToken=result.upToken;                var env = result.env;                var oMyForm = new FormData();                var href=location.href;                var id=href.replace(/^.+?id\=/,'');                var key=env+"/"+id;                oMyForm.append("token",upToken);                  oMyForm.append("key", key);                oMyForm.append("file",file);                var oReq = new XMLHttpRequest();                  oReq.open("POST", "http://upload.qiniu.com/");                  oReq.send(oMyForm);                oReq.onreadystatechange = function (){                    if(oReq.readyState==4 && oReq.status==200){                        $('.driveCode[title'+'='+'"'+type+'"'+']').replaceWith('
                                                     
                                                      ');                       $.post(BASE_URL+"/basic/user/lisence",{                            lisenceType:lisenceType                        },function(result){                            if(result.success==true){                                                            }                        })                    }                }            }        })    }    function getPhoto(type){        $('.driveCode[title="'+type +'"]').trigger("click");    }    $('.forInput').on('click','.addedImg',function(){        var type=$(this).attr("title");        $(this).remove();        $('.driveCode[title="'+type +'"]').trigger("click");    });    $(".validated").on("click",function(){        if("img[title='coach'] && img[title='drive'] && img[title='identity'] && img[title='driving']"){            //资料上传            location.href="/complate.html"        }else{            alert("请等待图片上传完成");        }    })