~~~ function BindSelect(id,dataList,fieldtext,fieldValue) { //绑定某一个数据源，fieldtext为需要绑定的文本字段，fieldValue为需要绑定的value字段 var select = $("#" + id)[0]; for (var i = 0; i < dataList.length; i++) { select.options.add(new Option(eval("dataList[" + i + "]." + fieldtext), eval("dataList[" + i + "]." + fieldValue))); } } function BindSelectOptions(id, OptionList) { var select = $("#" + id)[0]; for (var i = 0; i < OptionList.length; i++) { select.options.add(new Option(OptionList[i].Text, OptionList[i].Value)); } } function ClearAllItems(id) {//清空所有的选项 var select = $("#" + id)[0]; select.options.length = 0; } function AddOneItem(id, text, value) {//添加一个选项 var select = $("#" + id)[0]; select.options.add(new Option(text, value)); } function selectOneOption(id, selectValue) {//根据值，选中一个选项 var select = $("#" + id)[0]; var len = select.options.length; for (var i = 0; i < len; i++) { if (select.options[i].value == selectValue) { select.options[i].selected = true; break; } } } function selectOneOptionByIndex(id, index) {////根据下标，选中一个选项 var select = $("#" + id)[0]; var len = select.options.length; if (index >= 0 && index <= len) { select.options[index].selected = true; } } ~~~