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主頁 > 知識(shí)庫 > 點(diǎn)擊地圖div上的按鈕實(shí)現(xiàn)對(duì)地圖數(shù)據(jù)的入庫操作

點(diǎn)擊地圖div上的按鈕實(shí)現(xiàn)對(duì)地圖數(shù)據(jù)的入庫操作

在地圖div上添加一個(gè)按鈕，單擊按鈕后彈出一個(gè)彈出層，在彈出層的輸入框內(nèi)輸入數(shù)據(jù)后點(diǎn)擊提交按鈕將數(shù)據(jù)提交至數(shù)據(jù)庫。
mytest_map.jsp的代碼如下：

復(fù)制代碼代碼如下:

 
!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"> 
html lang='zh-cn' xmlns="http://www.w3.org/1999/xhtml"> 
head> 
meta charset='utf-8' /> 
title>My OpenLayers Map/title> 
link rel="stylesheet" type="text/css" href="openlayers/theme/default/style.css"/> 
style type="text/css"> 
#map { 
clear: both; 
position: relative; 
width: 1000px; 
height: 600px; 
border: 1px solid black; 
} 

#operator { 
position: absolute; 
top:10px; 
left:40px; 
z-index: 3000; 
} 

#popDiv { 
position: absolute; 
visibility: hidden; 
overflow: hidden; 
border: 2px solid #AEBBCA; 
background-color: #EEF1F8; 
cursor: move; 
padding: 1px; 
z-index:4000; 
} 

#popTitle { 
background: #9DACBF; 
height: 20px; 
line-height: 20px; 
padding: 1px; 
} 

#popForm { 
padding: 2px; 
padding-left: 15px; 
} 

.title_left { 
font-weight: bold; 
padding-left: 5px; 
float: left; 
} 

.title_right { 
float: right; 
} 

#popTitle .title_right a { 
color: #000; 
text-decoration: none; 
} 

#popTitle .title_right a:hover { 
text-decoration: underline; 
color: #FF0000; 
} 

/style> 
script type='text/javascript' src='openlayers/OpenLayers.js'>/script> 
script type='text/javascript'> 
function init() { 
format = 'image/png'; 
var bounds = new OpenLayers.Bounds( 
121.120606, 28.169589, 
121.871688, 28.525587 
); 
var options = { 
controls: [], 
maxExtent: bounds, 
maxResolution: 0.0013726171875, 
projection: "EPSG:4326", 
units: 'degrees' 
}; 
map = new OpenLayers.Map('map', options); 
//基礎(chǔ)圖層，可以用一個(gè)圖層組做基礎(chǔ)圖層 
var baselayer = new OpenLayers.Layer.WMS( 
"底圖", 
"http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers:'WenLing:xianjie_region', 
format:format, 
}, 
{ 
isBaseLayer:true,//設(shè)置本層為基底圖層 
yx : {'EPSG:4326' : true} 
} 
); 

//縣界 
var xianjie = new OpenLayers.Layer.WMS( 
"縣界", 
"http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:xianjie_region', 
transparent:true, //設(shè)置從服務(wù)器返回的地圖圖像是透明的 
format: format 
}, 
{ 
displayInLayerSwitcher:false, //使該圖層不顯示在switcher中 
//minScale:xxx , //只有達(dá)到一定縮放比例該圖層時(shí)才顯示 
opacity:0.5 //設(shè)置客戶端圖層半透明 
} 
); 

//水系 
var waters = new OpenLayers.Layer.WMS( 
"水系", "http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:shuixi_region', 
transparent:true, 
format: format 
}, 
{ 
opacity:1 //設(shè)置客戶端圖層不透明 
} 
); 

//島嶼 
var islands = new OpenLayers.Layer.WMS( 
"島", "http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:dao_region', 
transparent:true, 
format: format 
}, 
{ 
opacity:0.5 
} 
); 

//鐵路 
var tielu = new OpenLayers.Layer.WMS( 
"鐵路", "http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:tielu_polyline', 
transparent:true, 
format: format 
}, 
{ 
transitionEffect:"resize", //使該圖層放大或縮小時(shí)產(chǎn)生調(diào)整大小的動(dòng)畫 
opacity:0.5 
} 
); 

//縣 
var xian = new OpenLayers.Layer.WMS( 
"縣", "http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:xian_point', 
transparent:true, 
format: format 
}, 
{ 
//minScale:xxx , //只有達(dá)到一定縮放比例該圖層時(shí)才顯示 
opacity:0.5 
} 
); 

//變電站 
biandianzhan = new OpenLayers.Layer.WMS( 
"變電站", "http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:biandianzhan_point', 
transparent:true, 
format: format 
}, 
{ 
opacity:0.5 
} 
); 

guangxianwang = new OpenLayers.Layer.WMS( 
"光纖網(wǎng)", "http://localhost:8080/geoserver/WenLing/wms", 
{ 
layers: 'WenLing:guangxianwang_polyline', 
transparent:true, 
format: format 
}, 
{ 
transitionEffect:"resize", //使該圖層放大或縮小時(shí)產(chǎn)生調(diào)整大小的動(dòng)畫 
opacity:0.5 
} 
); 

map.addLayers([baselayer, xianjie, waters, islands, tielu, xian, biandianzhan, guangxianwang]); 

map.setCenter(map.getCenter());//設(shè)置地圖中心點(diǎn) 
map.addControl(new OpenLayers.Control.PanZoomBar({ 
position: new OpenLayers.Pixel(2, 15) 
})); 
map.addControl(new OpenLayers.Control.Navigation()); 
map.addControl(new OpenLayers.Control.LayerSwitcher()); 
map.addControl(new OpenLayers.Control.Scale($('scale'))); 
map.addControl(new OpenLayers.Control.MousePosition()); 
map.zoomToExtent(bounds); 

if (!map.getCenter()) { 
map.zoomToMaxExtent(); 
} 

} 

function showPopup() {//彈出層 
var objDiv = document.getElementById("popDiv"); 
objDiv.style.top = "50px";//設(shè)置彈出層距離上邊界的距離 
objDiv.style.left = "200px";//設(shè)置彈出層距離左邊界的距離 
objDiv.style.width = "300px";//設(shè)置彈出層的寬度 
objDiv.style.height = "220px";//設(shè)置彈出層的高度 
//objDiv.style.display = "block"; 
objDiv.style.visibility = "visible"; 
} 
function hidePopup() {//關(guān)閉層 
var objDiv = document.getElementById("popDiv"); 
objDiv.style.visibility = "hidden"; 
} 

/script> 
/head> 
body onload='init();'> 
div id='map'> 
div id="operator">!--按鈕所在div--> 
input name="" type="button" onclick="showPopup()" value="操作" /> 
/div> 
div id="popDiv">!--彈出層--> 
div id="popTitle"> !-- 標(biāo)題div --> 
span class="title_left">修改操作/span> span class="title_right"> 
a href="#" onclick="hidePopup();">關(guān)閉/a> /span> 
/div> 
div id="popForm"> !-- 表單div --> 
form action="insert_map.jsp" method="post"> 
p> 
nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;ID :input type="text" name="id" value="0" /> /br> 
名nbsp;nbsp;nbsp;nbsp;稱 :input type="text" name="name" value="aaa" /> /br> 
電壓等級(jí) :input type="text" name="voltage_level" value="110kv" /> /br> 
經(jīng)nbsp;nbsp;nbsp;nbsp;度 :input type="text" name="lon" value="121." /> /br> 
緯nbsp;nbsp;nbsp;nbsp;度 :input type="text" name="lat" value="28." /> /br> 
/p> 
nbsp;nbsp; input type="submit" value="提交" />nbsp;nbsp; 
nbsp;nbsp; input type="reset" value="重置" />nbsp;nbsp; 
nbsp;nbsp; input type="reset" value="取消" onclick="hidePopup()" /> 
/form> 
/div> 
/div> 
/div> 

script type="text/javascript"> 
/*-------------------------鼠標(biāo)左鍵拖動(dòng)---------------------*/ 
/*--------當(dāng)不需要實(shí)現(xiàn)此功能時(shí)，可以將這一部分代碼刪除------------*/ 
var objDiv = document.getElementById("popDiv"); 
var isIE = document.all ? true : false;//判斷瀏覽器類型 
document.onmousedown = function(evnt) {//當(dāng)鼠標(biāo)左鍵按下后執(zhí)行此函數(shù) 
var evnt = evnt ? evnt : event; 
if (evnt.button == (document.all ? 1 : 0)) { 
mouseD = true;//mouseD為鼠標(biāo)左鍵狀態(tài)標(biāo)志，為true時(shí)表示左鍵被按下 
} 
} 

objDiv.onmousedown = function(evnt) { 
objDrag = this;//objDrag為拖動(dòng)的對(duì)象 
var evnt = evnt ? evnt : event; 
if (evnt.button == (document.all ? 1 : 0)) { 
mx = evnt.clientX; 
my = evnt.clientY; 
objDiv.style.left = objDiv.offsetLeft + "px"; 
objDiv.style.top = objDiv.offsetTop + "px"; 
if (isIE) { 
objDiv.setCapture(); 
//objDiv.filters.alpha.opacity = 50;//當(dāng)鼠標(biāo)按下后透明度改變 
} else { 
window.captureEvents(Event.MOUSEMOVE);//捕獲鼠標(biāo)拖動(dòng)事件 
//objDiv.style.opacity = 0.5;//當(dāng)鼠標(biāo)按下后透明度改變 
} 
} 
} 
document.onmouseup = function() { 
mouseD = false;//左鍵松開 
objDrag = ""; 
if (isIE) { 
objDiv.releaseCapture(); 
//objDiv.filters.alpha.opacity = 100;//當(dāng)鼠標(biāo)左鍵松開后透明度改變 
} else { 
window.releaseEvents(objDiv.MOUSEMOVE);//釋放鼠標(biāo)拖動(dòng)事件 
//objDiv.style.opacity = 1;//當(dāng)鼠標(biāo)左鍵松開后透明度改變 
} 
} 

document.onmousemove = function(evnt) { 
var evnt = evnt ? evnt : event; 
if (mouseD == true  objDrag) { 
var mrx = evnt.clientX - mx; 
var mry = evnt.clientY - my; 
objDiv.style.left = parseInt(objDiv.style.left) + mrx + "px"; 
objDiv.style.top = parseInt(objDiv.style.top) + mry + "px"; 
mx = evnt.clientX; 
my = evnt.clientY; 
} 
} 
/script> 

/body> 
/html> 

在瀏覽器輸入：http://localhost:8080/myapp/mytestMap.html
訪問到mytestMap.jsp頁面，單擊左上角的“操作”按鈕，結(jié)果如下：

在輸入框中輸入測(cè)試數(shù)據(jù)，點(diǎn)擊提交，將會(huì)提交至insert_map.jsp頁面，并在insert_map.jsp頁面上顯示出數(shù)據(jù)庫中所有的點(diǎn)（包括剛剛添加的這個(gè)點(diǎn)），效果如下圖：

再次在瀏覽器中訪問地圖頁面，可以看到地圖上已經(jīng)多出了剛剛添加的那個(gè)點(diǎn)，如下圖：

至此，基本操作算是完成。

后續(xù)需要做的工作有：
1，使點(diǎn)擊提交后仍然顯示在當(dāng)前頁面，且對(duì)地圖進(jìn)行刷新。
2，完善delete功能、修改功能
3，點(diǎn)擊“操作”按鈕后可以選擇添加、刪除或修改。

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