天易27----页面加载进度条

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说明:进度条在网上下载一个动态的gif进度条图片即可.....

一:图片预览


二:

1.可刷新页面的进度条代码:

1)在页面body体中添加div层:

<div id="jindu" style=" display:'none';position:absolute; top:50%; margin-top:-50px; left:50%; margin-left:-50px; position:absolute; z-index: 1; text-align:center; vertical-align:middle;"><center><img src="./images/jiazai.gif" > <br/><font color="black" size="2" style="left:400px;margin-top:1px;font-family:仿宋">正在更新数据,请稍等......</font></center></div>
2)页面中button按钮:

<input name="input2" value="批量转入" type="button"  class="normalbtn" onClick="plshift(<s:property value="page.totalPage" />);"/>

3)调用上面按钮方法(plshift(<s:property value="page.totalPage" />)):

function plshift(count){cookiesUpdate();var allsfzmhm="";var temp = "";for(var i=0;i<count;i++){temp = getCookie("page"+(i+1));if(temp=="null"){temp = "";}allsfzmhm +=temp;}allsfzmhm = allsfzmhm.replace(new RegExp('"','gm'),"");if(allsfzmhm!=""){document.getElementById("jindu").style.display='';//在调用后台方法前加上这一句:执行完毕隐藏进度条location.href = '/zbjp/driverAction.action?method=toPlzr&driverForm.tjSfzmhm='+ allsfzmhm;}else{alert("请选择转入学员!");}}


2.无刷新页面的进度条代码:

图片预览:



1)在页面body体中添加div层:

<div id="jindu" style=" display:'none';position:absolute; top:50%; margin-top:-50px; left:50%; margin-left:-50px; position:absolute; z-index: 1; text-align:center; vertical-align:middle;"><center><img src="./images/jiazai.gif" > <br/><font color="black" size="2" style="left:400px;margin-top:1px;font-family:仿宋">正在更新数据,请稍等......</font></center></div>

2)页面中button按钮:

<input type="button" value=" 更新考试成绩 " onclick="xzkscj()" class="normalbtn" style="margin-bottom: 5px" />

3)调用上面按钮方法(xzkscj()):

function xzkscj(){//document.getElementById("formName").action="<%=basePath %>sjxz.action?method=getXzkscj";//document.getElementById("formName").submit();document.getElementById("jindu").style.display='';

var urldic="<%=basePath %>sjxz.action?method=getXzkscj";

aj(urldic);}
4)aj方法(主要用于ajax防止刷新页面):

function aj(urldic){$.ajax({type: "POST",dataType:"json",url: urldic,  success: function(result){   document.getElementById("jindu").style.display='none';//document.getElementById("jindu"):"jindu"是div进度条层的idalert(result.value);  }});}



5)后台action(getXzkscj)方法:
/** * 下载考试成绩 */

public String getXzkscj() {

// TODO Auto-generated method stubint kscjCount=sjxzSerivce.getXzkscjCount();this.news="共下载了"+kscjCount+"条考试成绩数据!";Map<String,String> message = new HashMap<String,String>();//以下三行主要用于ajax在页面的显示,不许刷新页面message.put("value", this.news);this.jsonMap(message, response);return null;//这里要返回null;}
6)ajax所需方法(上面所需调用的 jsonMap方法):

/** * 把map转换为json输出到jsp *  * @param map * @param response */public void jsonMap(Map<String, ?> map,HttpServletResponse response) {jsonWriter(JSONObject.fromObject(map).toString(), response);}public void jsonWriter(String jsonSring, HttpServletResponse response) {response.setContentType("application/json;charset=UTF-8");response.setCharacterEncoding("UTF-8");PrintWriter out;try {out = response.getWriter();out.print(jsonSring);out.flush();out.close();} catch (IOException e) {e.printStackTrace();}}
	
				
		
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