javaScript 填充表单值的方法

       //填充表单
	this.populateForm = function(formId, data){
		for(var attr in data){
			var formField = $("#" + attr);
			if(!formField[0]){
				formField = $("#" + formId).find("input[name=" + attr + "]");
			}
			if(formField){
				if(formField.attr("type") == "radio"
						|| formField.attr("type") == "checkbox"){
					for(var i = 0;i < formField.length;i++){
						if(data[attr] != null){
							if($(formField.get(i)).attr("value") == data[attr].toString()){
								$(formField.get(i)).prop("checked", true);
							}
						}
					}
				}else if(formField.length == 1 && 
							formField.get(0).nodeName.toLowerCase() == "select"){
					if(data[attr]){
						formField.find("option[value=" + data[attr] + "]").prop('selected', true);
					}else{
						formField.find("option:first").prop("selected", true);
					}
				}else{
					formField.val(data[attr]);
				}
			}
		}
	}