上传文件脚本控制格式大小.js

  1 var iReporterID = 0;
  2 var row = 0;
  3
  4 var $D = YAHOO.util.Dom;
  5 var $E = YAHOO.util.Event;
  6 var $C = YAHOO.util.Connect;
  7 var $V = YAHOO.util.ValidationManager;
  8 var $ = $D.get;
  9 var $P = EGOVA.page.PageUtils;
 10 var timer = null;
 11 var callBackFn = null;
 12 var AllowExt=".jpg";
 13 /**
 14  * 初始化函数
 15  */
 16 function init(){
 17     attachBtnEvent();
 18     $P.closeLoading();
 19     callBackFn = $("callBackFn").value;
 20 }
 21
 22 /**
 23  * 清除loading提示信息内容及样式
 24  * @private
 25  */
 26 var disappear = function() {
 27
 28 }
 29
 30 /**
 31  * 按钮响应事件
 32  */
 33 function attachBtnEvent() {
 34     $E.on("saveBtn", "click", reporterInfoSave, this, true);
 35     $E.on("resetBtn", "click", reporterInfoRest, this, true);
 36     $E.on("returnBtn", "click", returnBtn, this, true);
 37 }
 38
 39 /**
 40  * 执行返回事件
 41  */
 42  function returnBtn(){
 43     window.close();
 44  }
 45
 46  /**
 47  * 执行新增事件
 48  */
 49  function reporterInfoSave(){
 50       var fileText1=$("reportMediaForm").atth1.value.substring(reportMediaForm.atth1.value.length-4,reportMediaForm.atth1.value.length).toLowerCase();
 51     var fileText2=$("reportMediaForm").atth2.value.substring(reportMediaForm.atth2.value.length-4,reportMediaForm.atth2.value.length).toLowerCase();
 52     var fileText3=$("reportMediaForm").atth3.value.substring(reportMediaForm.atth3.value.length-4,reportMediaForm.atth3.value.length).toLowerCase();
 53     var fileText4=$("reportMediaForm").atth4.value.substring(reportMediaForm.atth4.value.length-4,reportMediaForm.atth4.value.length).toLowerCase();
 54     var mediaType = $("mediaType").value ;
 55     if(AllowExt!=0&&AllowExt.indexOf($("atth1").value.substr($("atth1").value.lastIndexOf(".")).toLowerCase())==-1){
 56                 var msg = "该文件类型不允许上传。请上传 "+AllowExt+" 类型的文件，当前文件类型为"+$("atth1").value.substr($("atth1").value.lastIndexOf(".")).toLowerCase();
 57                 alert(msg);
 58                 return;
 59             }else if(AllowExt!=0&&AllowExt.indexOf($("atth2").value.substr($("atth2").value.lastIndexOf(".")).toLowerCase())==-1){
 60                 var msg = "该文件类型不允许上传。请上传 "+AllowExt+" 类型的文件，当前文件类型为"+$("atth2").value.substr($("atth2").value.lastIndexOf(".")).toLowerCase();
 61                 alert(msg);
 62                 return;
 63             }else if(AllowExt!=0&&AllowExt.indexOf($("atth3").value.substr($("atth3").value.lastIndexOf(".")).toLowerCase())==-1){
 64                 var msg = "该文件类型不允许上传。请上传 "+AllowExt+" 类型的文件，当前文件类型为"+$("atth3").value.substr($("atth3").value.lastIndexOf(".")).toLowerCase();
 65                 alert(msg);
 66                 return;
 67             }else if(AllowExt!=0&&AllowExt.indexOf($("atth4").value.substr($("atth4").value.lastIndexOf(".")).toLowerCase())==-1){
 68                 var msg = "该文件类型不允许上传。请上传 "+AllowExt+" 类型的文件，当前文件类型为"+$("atth4").value.substr($("atth4").value.lastIndexOf(".")).toLowerCase();
 69                 alert(msg);
 70                 return;
 71             }
 72     var atthArray = [];
 73     if($("atth1").value !=""){
 74         atthArray.push($("atth1").value);
 75     }
 76     if($("atth2").value !=""){
 77         atthArray.push($("atth2").value);
 78     }
 79     if($("atth3").value !=""){
 80         atthArray.push($("atth3").value);
 81     }
 82     if($("atth4").value !=""){
 83         atthArray.push($("atth4").value);
 84     }
 85     var fileTypes = $("fileTypes").value == null ? "" : $("fileTypes").value;
 86     if(fileText1 == ‘‘&&fileText2 == ‘‘&&fileText3 == ‘‘&& fileText4==‘‘){
 87        alert("对不起,请选择要上传的多媒体文件。");
 88        return;
 89     }
 90     if( mediaType == 0 &&( fileText1 != ‘‘||fileText2 != ‘‘||fileText3!=‘‘||fileText4!=‘‘))   {
 91
 92         if(fileTypes != null && fileTypes != ""){
 93               if(fileText1 != ‘‘){
 94                  if(fileTypes.indexOf(fileText1) < 0){
 95                       alert("文件类型出错,支持的文件类型为:"+fileTypes);
 96                       return false;
 97                 }
 98
 99             }
100                if (fileText2 != ‘‘) {
101                     if(fileTypes.indexOf(fileText2) < 0){
102                      alert("文件类型出错,支持的文件类型为:"+fileTypes);
103                      return false;
104                     }
105
106                }
107                if (fileText3 != ‘‘) {
108                     if(fileTypes.indexOf(fileText3) < 0){
109                      alert("文件类型出错,支持的文件类型为:"+fileTypes);
110                      return false;
111                     }
112
113                }
114             if (fileText4 != ‘‘) {
115                     if(fileTypes.indexOf(fileText4) < 0){
116                      alert("文件类型出错,支持的文件类型为:"+fileTypes);
117                      return false;
118                     }
119
120                }
121            }
122     }
123     var FileMaxSize = 100124
125     var obj1=document.getElementById(‘atth1‘);
126     var obj2=document.getElementById(‘atth2‘);
127     var obj3=document.getElementById(‘atth3‘);
128     var obj4=document.getElementById(‘atth4‘);
129     var filePath1 = obj1.value;
130     var filePath2 = obj2.value;
131     var filePath3 = obj3.value;
132     var filePath4 = obj4.value;
133     var image1=new Image();
134     var image2=new Image();
135     var image3=new Image();
136     var image4=new Image();
137     image1.dynsrc=filePath1;
138     image2.dynsrc=filePath2;
139     image3.dynsrc=filePath3;
140     image4.dynsrc=filePath4;
141     filesize1=image1.fileSize;
142     filesize2=image2.fileSize;
143     filesize3=image3.fileSize;
144     filesize4=image4.fileSize;
145     if(filesize1>FileMaxSize*1024){
146      alert("图片大小超过100K，请重新上传！");
147      return false;
148     }
149     if(filesize2>FileMaxSize*1024){
150      alert("图片大小超过100K，请重新上传！");
151      return false;
152     }
153     if(filesize3>FileMaxSize*1024){
154      alert("图片大小超过100K，请重新上传！");
155      return false;
156     }
157     if(filesize4>FileMaxSize*1024){
158      alert("图片大小超过100K，请重新上传！");
159      return false;
160     }
161     $("saveBtn").disabled = true;
162     this.asyncRequest({
163             url     : "reportmediainfo.htm?EventID="+$("EventID").value+"&mediaType="+$("mediaType").value,
164             error    : "上传图片失败!",
165             form    : "reportMediaForm",
166             isUpload: true,
167             loadMessage:"正在上传图片信息......",
168             upload : function(o){
169                   var s = o.responseText.replace("<PRE>","").replace("</PRE>","");
170                 var jsonObject = s.parseJSON();
171                 if(jsonObject) {
172                     var info = eval("jsonObject.ResultInfo");
173                     if(info.success=="true"){
174                         alert("上传成功!");
175                         $D.removeClass("loading", "OpenDlg_Loading");
176                         $("loading").innerText = "";
177                         $("reportMediaForm").reset();
178                         $("saveBtn").disabled = false;
179                         if(callBackFn != null && callBackFn != ""){
180                             try{
181                                 eval("window.dialogArguments."+callBackFn);
182                             }catch(e){}
183                         }
184                         window.close();
185                     } else {
186                            $("saveBtn").disabled = false;
187                         msg = info.message?info.message:"上传失败!";
188                         if(info.message){
189                             $D.removeClass("loading", "OpenDlg_Loading");
190                             $D.addClass("loading", "OpenDlg_Error");
191                             $("loading").innerText = msg;
192                             timer = setTimeout(disappear, 2000);
193                         }
194                     }
195                     return (info.success=="true");
196                 }
197             }
198         });
199  }
200
201  /**
202  * 异步获取数据
203  */
204 function asyncRequest(option) {
205     var sUrl = option.url;
206     var that = this;
207     if(option.form) {
208         $C.setForm(option.form, option.isUpload, true);
209     }
210     var success = function(o) {
211         var html = o.responseText.toString()
212         if(html!="") {
213             if(!option.success(o)){
214                 failure(o);
215             }　else {
216                 disappear();
217             }
218         }
219         else {
220             failure(o);
221         }
222     };
223     var upload = function(){};
224     if(option.isUpload){ upload = option.upload;}
225     var failure = function(o) {
226         $D.removeClass("loading", "OpenDlg_Loading");
227         $D.addClass("loading", "OpenDlg_Error");
228         $("loading").innerText = option.error;
229         timer = setTimeout(disappear, 2000);
230         if(option.failure){ option.failure(o);};
231     };
232     var callback = {
233         success : success,
234         failure : failure,
235         upload  : upload
236     };
237     clearTimeout(timer);
238     disappear();
239     $D.addClass("loading", "OpenDlg_Loading");
240     $("loading").innerText = option.loadMessage;
241     var req = $C.asyncRequest(‘POST‘, sUrl, callback);
242 }
243
244 /**
245  * 执行举报人信息重置
246  */
247 function reporterInfoRest() {
248     $("reportMediaForm").reset();
249 }