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  • 这样写JS的方式对吗?

    <!DOCTYPE html>
    <html lang="en">
    <head>
    	<meta charset="UTF-8">
    	<title>Document</title>
    	<script type="text/javascript" src="../jquery.min.js"></script>
    	<script>
    		(function(){
    			var RentNumObj = {};
    			RentNumObj.geocount = 0;
    			RentNumObj.tarDomId = "";
    			RentNumObj.rentJson = {};
    			var seed = 1;
    			var prefix = "dom00";
    			var selobjid = null;
    			var delobjid = null;
    			function getGeocount () {
    				return RentNumObj.geocount;
    			}
    			function setGeocount (val) {
    				RentNumObj.geocount = val;
    			}
    			function getTarDomId () {
    				return RentNumObj.tarDomId;
    			}
    			function setTarDomId (val) {
    				RentNumObj.tarDomId = val;
    			}
    			function getRentnumArr () {
    				return RentNumObj.rentnumArr;
    			}
    			function setRentnumArr (val) {
    				RentNumObj.rentnumArr = val;
    			}
    			function checkRentValLose () {
    				var rentJson = RentNumObj.rentJson;
    				for (var p in rentJson){
    					if( rentJson[p] == undefined || rentJson[p] == null ){
    						return false;
    					}
    				}
    				return true;
    			}
    			function checkTarget () {
    				var args = arguments;
    				var tarid = RentNumObj.tarDomId;
    				if( tarid == "" ){
    					RentNumObj.tarDomId = tarid = args[0];
    				}
    				return $("#"+tarid);
    			}
    			function print () {
    				// console.log("geocount:", RentNumObj.geocount);
    				// console.log("tarDomId:", RentNumObj.tarDomId);
    				// console.log("rentnumArr:", RentNumObj.rentnumArr);
    				// console.log("rentJson:", RentNumObj.rentJson);
    				// console.log("=========================");
    				$("#panel").html("");
    				$("#panel").append("<div>geocount: "+RentNumObj.geocount+"</div>");
    				$("#panel").append("<div>tarDomId: "+RentNumObj.tarDomId+"</div>");
    				$("#panel").append("<div>rentnumArr: "+RentNumObj.rentnumArr+"</div>");
    				$("#panel").append("<div>rentJson: "+RentNumObj.rentJson+"</div>");
    			}
    			function print2(){
    				$("#panel2").html("");
    				$("#panel2").append("<div>selobjid: "+ selobjid +"</div>");
    				$("#panel2").append("<div>rentnum: "+ rentJson[selobjid] +"</div>");
    			}
    			
    			//var pt = RentNumObj.prototype;
    			var pt = RentNumObj;
    			pt.add = function(){
    				print();
    				var tarobj = checkTarget("intext");
    				//tarobj[0].value = "";
    				var geocount = getGeocount();
    				
    				if(geocount > 0){
    					var tarval = tarobj[0].value;
    					if( !checkRentValLose() ){
    						//if( tarval == "" ){
    							alert("未绑定租金值,请填写租金值!");
    							tarobj[0].value = "";
    							return false;
    						//}
    					}
    				}
    				selobjid = prefix + seed;
    				seed = seed + 1;
    				//$("#panel").append("<div id='"+selobjid+"' width='20' height='10' style='background-color:yellow;'>"+selobjid+"</div>");
    				$("body").append("<input type='button' id='"+selobjid+"' class='btnCls' value='"+selobjid+"'>");
    
    				$(".btnCls").bind("click", RentNumObj.sel);
    				geocount = geocount + 1;
    				setGeocount(geocount);
    				RentNumObj.rentJson[selobjid] = null;
    				print();
    			};
    			pt.del = function(){
    				print();
    				if( delobjid == null){
    					alert("请先选择!");
    					return false;
    				}
    				var rentJson = RentNumObj.rentJson;
    				delete rentJson[ delobjid ];
    				var geocount = getGeocount();
    				geocount = geocount - 1;
    				setGeocount(geocount);
    				$("#"+delobjid).remove();
    				// $("body").remove("'#"+delobjid+"'");
    				delobjid = selobjid = null;
    				// $("#"+delobjid).remove();
    				print();
    			};
    			pt.clear = function(){
    				print();
    				var rentJson = RentNumObj.rentJson;
    				for(var p in rentJson){
    					delete rentJson[p];
    					console.log("p:", p);
    					$("#"+p).remove();
    				}
    				setGeocount( 0 );
    				delobjid = selobjid = null;
    				print();
    			};
    			pt.sel = function(){
    				print();
    				var me = this;
    				// console.log( me );
    				// console.log("id : " + me.id);
    				delobjid = selobjid = me.id ;
    				rentJson = RentNumObj.rentJson;
    				console.log("rentJson[selobjid]:", rentJson[selobjid]);
    				print2();
    				print();
    			};
    			pt.save = function(){
    				print();
    				var tarobj = checkTarget("intext");
    				var geocount = getGeocount();
    				if(geocount > 0){
    					var tarval = tarobj[0].value;
    					if( !checkRentValLose() && tarval == "" ){
    						alert("未绑定租金值,请填写租金值!");
    						return false;
    					}
    				}
    				print();
    			};
    			pt.bindOnBlur = function(){
    				print();
    				var tarval = checkTarget("intext")[0].value;
    				if( tarval != "" && selobjid != null ){
    					var rentjson = RentNumObj.rentJson;
    					rentjson[selobjid] = tarval;
    					alert("租金值已经绑定!");
    					checkTarget("intext")[0].value = "";
    					delobjid = selobjid = null;
    				}
    				print();
    			};
    			window.RentNumObj = RentNumObj;
    		})();
    
    
    		$(function(){
    
    			console.log(RentNumObj);
    
    			$("#btn_add").bind("click", RentNumObj.add);
    			$("#btn_del").bind("click", RentNumObj.del);
    			//$("#btn_sel").bind("click", RentNumObj.sel);
    			$("#btn_save").bind("click", RentNumObj.save);
    			$("#btn_clear").bind("click", RentNumObj.clear);
    
    			$("#intext").bind("blur", RentNumObj.bindOnBlur);
    		});
    	</script>
    </head>
    <body>
    	<div class="main">
    		<div class="sub"><span class="btn"><input type="button" id="btn_add" value="Add"></span></div>
    		<div class="sub"><span class="btn"><input type="button" id="btn_del" value="Delete"></span></div>
    		<div class="sub"><span class="btn"><input type="button" id="btn_clear" value="Clear"></span></div>
    		<!--<div class="sub"><span class="btn"><input type="button" id="btn_sel" value="Select"></span></div>-->
    		<div class="sub"><span class="btn"><input type="button" id="btn_save" value="Save"></span></div>
    
    		<div class="sub"><input type="text" id="intext"></div>
    	</div>
    	<div class="panel" id="panel" width="100px" height="500px" ></div>
    	<div class="panel" id="panel2" width="100px" height="500px" style="float:right;padding:50px;"></div>
    	<div>----------------------------</div>
    </body>
    </html>
    
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  • 原文地址:https://www.cnblogs.com/juedui0769/p/4333307.html
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