mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 09:14:17 +00:00
109 lines
4.1 KiB
JavaScript
109 lines
4.1 KiB
JavaScript
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(function(){
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var imgSize = {
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"A0":{
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width:parseInt(118.9*28.3),
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height:parseInt(84.1*28.3)
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},
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"A1":{
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width:parseInt(84.1*28.3),
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height:parseInt(59.4*28.3)
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}
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}
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var LargeFormatPrint = {};
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/**
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* url:"http://localhost:8090/iserver/services/map-china400/rest/maps/China"
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* projection:"3857"
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* scale:0.000000004339
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* center:new SuperMap.LonLat(0,0)
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* pageSize:"A0",仅支持A1和A0
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* */
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LargeFormatPrint.excute = function(url,projection,scale,center,pageSize,map,callback){
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if(url&&projection&&scale&¢er&&pageSize){
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//向服务端请求一张整张的图片
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var requestUrl = url+"/image.png?";
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requestUrl += "scale="+scale;
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requestUrl += "¢er="+encodeURIComponent(JSON.stringify({x:center.lon,y:center.lat}));
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var size = imgSize[pageSize];
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requestUrl += "&width="+size.width+"&height="+size.height;
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requestUrl += "&transparent=false&prjCoordSys="+encodeURIComponent('{"epsgCode":'+projection+'}');
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var img = new Image();
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img.src = requestUrl;
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if (img.addEventListener) {
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img.addEventListener("load", onImgLoad, false);
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} else if (element.attachEvent) {
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img.attachEvent('onload', onImgLoad);
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}
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}
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else{
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alert("参数不正确");
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}
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function onImgLoad(){
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//将图片放到页面上先预览效果，如果觉得不对，可点击取消重来
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var div = document.createElement("div");
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div.style.position = "absolute";
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div.style.top = "0px";
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div.style.zIndex = 999;
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div.style.left = "0px";
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//div.style.border = "solid 5px #4c4c4c";
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div.style.background = "#ffffff";
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div.style.height = "558px";
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div.style.width = "100%";
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document.body.appendChild(div);
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var imgDiv = document.createElement("div");
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imgDiv.style.position = "relative";
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imgDiv.style.height = "520px";
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imgDiv.style.textAlign = "center";
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imgDiv.style.border = "1px solid #4c4c4c";
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img.style.position="relative";
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//img.style.verticalAlign = "middle";
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// img.style.zIndex = 999;
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//img.style.left="0px";
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//img.style.top = "38px";
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// img.style.width = "935px";
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img.style.height = "520px";
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img.style.width = "auto";
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imgDiv.appendChild(img);
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//window.body.appendChild(img);
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var div1 = document.createElement("div");
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div1.style.position = "relative";
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div1.style.height = "38px";
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div.appendChild(div1);
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div.appendChild(imgDiv);
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var button = document.createElement("button");
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div1.appendChild(button);
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button.innerHTML = "打印";
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button.onclick = function(){
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//将图片放于页面上，并调用浏览器打印接口
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document.body.removeChild(div);
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img.style.left="0px";
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img.style.top = "0px";
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img.style.width = "";
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img.style.height = "";
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img.style.zIndex = 999;
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img.style.border = "";
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document.body.appendChild(img);
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if(map)map.div.style.display = "none";
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window.print();
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if(map)map.div.style.display = "block";
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document.body.removeChild(img);
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if(callback)callback();
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}
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var button1 = document.createElement("button");
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div1.appendChild(button1);
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button1.innerHTML = "取消";
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button1.onclick = function(){
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document.body.removeChild(div);
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if(callback)callback();
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}
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}
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}
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window.LargeFormatPrint = LargeFormatPrint;
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})()
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