PHP Ajax JS implements multiple image uploads, ajax multiple images_PHP tutorial

PHP Ajax JS implements multi-image upload, ajax multi-image

The example in this article needs to do an ajax multiple image upload in the wap station project, and combined with the js plug-in to make one for everyone For reference, the specific content is as follows

/* ajax 上传图片 */
 var num = 0;
 // 点击删除图片
function onDelete(num){
  if($("#"+num).attr('src')!="__PUBLIC__/Home/images/jiazai.gif" && $("#"+num).attr('src')!=""){
      if(confirm("确认删除吗")){
        $("#a"+num).remove();
      }else{
        // 
      }
  }
}
$(function(){ 
 
    $("#file0").bind("change",function(){
     
          clickUpload(num);
           
    }); 
    function clickUpload(num){
       var imgObject = document.getElementById('file0'); // 文件对象
 
      $("#yulan").append("<a id='a"+num+"' onclick='onDelete("+num+")' href='javascript:;'> <img id='"+num+"' width='75' height='75'  src='__PUBLIC__/Home/images/jiazai.gif'/></a>");
        
       // $("#yulan").append("<li id='a"+num+"' ><img id='"+num+"' src='__PUBLIC__/Home/images/jiazai.gif' /><a href='javascript:;' onclick='onDelete("+num+")'>删除</a></li>");
       var getImageSrc = getFullPath(imgObject); // 本地路径
       // 实例化image对象
 
       var pos = getImageSrc.lastIndexOf(".");
       var lastname = getImageSrc.substring(pos, getImageSrc.length) // 图片后缀
 
       if(lastname!=".jpg" && lastname!=".png" && lastname!=".jpeg" && lastname!='.gif'){
         $("#a"+num).remove();
          alert("请选择一张图片");
       }else{
         ajaxFileUpload(num);
         $("#file0").unbind("change").bind("change",function(){
           clickUpload(num);
          });
       } 
       num++;
    }
 
 
    function getFullPath(obj) {  //得到图片的完整路径
      if (obj) {
        if (window.navigator.userAgent.indexOf("MSIE") >= 1) {
          obj.select();
          return document.selection.createRange().text;
        }else if (window.navigator.userAgent.indexOf("Firefox") >= 1) {
          if (obj.files) {
            return obj.files.item(0).getAsDataURL();
          }
          return obj.value;
        }
          return obj.value;
      }
    } 
    function ajaxFileUpload(num) {
 
      $.ajaxFileUpload
      (
        {
          url: 'http://xxxx/updateImg', //用于文件上传的服务器端请求地址
          secureuri: false, //是否需要安全协议，一般设置为false
          fileElementId: 'file0', //文件上传域的ID
          dataType: 'json', //返回值类型 一般设置为json
          success: function (data) //服务器成功响应处理函数
          {
            var jsonText = data; 
            console.log(jsonText);
            if(jsonText['status']==1){ 
              if(jsonText['info']!=""){ 
                console.log(jsonText['info']);
                $("#"+num).attr("src","__PUBLIC__//Admin/Upload/"+jsonText['info']);
   
                 var images = $("#img").val();
   
                if(images!=""){
                  $("#img").val(images+","+jsonText['info']);
                }else{
                  $("#img").val(images+""+jsonText['info']);
                }
                 
              }
            }else{
              $("#a"+num).remove();
              // alert("图片上传失败");  
            }            
          },
          error: function (data,e)//服务器响应失败处理函数
          {
            alert(e);
          }
        }
      )
    }
});

The above is the entire content of this article. I hope it will be helpful to everyone in learning PHP programming.

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