function DateSelector(InstanceName) { //对象名称 this.instanceName = InstanceName; //保存结果的表单域 this.oResultField = null; //选择器的标题 this.strTitle = "日期选择"; //放置选择器的div的id this.divId = InstanceName + "Div"; //点击的按钮 this.but = null; //函数 this.Init = dateSelectorInit; this.checkedBox = dateCheckedBox; this.setTitle = dateSetTitle this.showSelector = showDateSelector; this.initResult = initDateResult; //this.chooseType=chooseType;//用于点击父类：当子类隐藏时，父类选中并添加到结果中，当子类显示父类设为没选中 } function dateSetTitle(strTitle) { this.strTitle = strTitle; } //建立selector的各个层次的容器（div，span等） function dateSelectorInit() { var objJobType = document.getElementById(this.divId); if (objJobType != null) { return; } var divHtml = "" document.write(divHtml); } /**显示选择器，如果选择器的第一层还没有创建则要创建 @param oInstance 选择器对象 */ function showDateSelector(objBut, resultField) { this.but = objBut; this.oResultField = resultField; setDivInCenter(this.divId); objJobType = document.getElementById(this.divId); objJobType.style.display = ""; hiddenSelect(this.divId); return; } /**选中某一类型后显示下一级所有类型或没有下级时更改选择结果 @param cityId 选中的类型 @param level 选中的类型所处的级别的下一级别。级别从1开始 */ function dateCheckedBox(days, strName) { this.oResultField.value = days; this.but.value = strName; showSelect(this.divId); divClose(this.divId); } function dateClick(days, strName, oInstance) { oInstance.checkedBox(days, strName); } /*显示默认结果 oResultField:保存结果的隐藏域对象 objBut触发选择器的按钮对象 */ function initDateResult(oResultField, objBut) { this.oResultField = oResultField; this.but = objBut; if (this.oResultField.value == 1) { this.but.value = "近一天"; } else if (this.oResultField.value == 2) { this.but.value = "近两天"; } else if (this.oResultField.value == 3) { this.but.value = "近三天"; } else if (this.oResultField.value == 7) { this.but.value = "近一周"; } else if (this.oResultField.value == 14) { this.but.value = "近半月"; } else if (this.oResultField.value == 30) { this.but.value = "近一月"; } else if (this.oResultField.value == 60) { this.but.value = "近两月"; } else if (this.oResultField.value == 90) { this.but.value = "近三月"; } }