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jquery動態(tài)實現(xiàn)填充下拉框

WindySky >《jquery》

2011.08.21

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項目需要實現(xiàn)一個功能當點下拉框時動態(tài)加載后臺數(shù)據。
這是后臺數(shù)據

Java代碼

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
Map<String, String> product_names = DataManager.getGroup_names();
StringBuffer sb = new StringBuffer();
sb.append("{");
Set<String> keys = product_names.keySet();
for(Iterator<String> iter = keys.iterator();iter.hasNext();) {
String key = iter.next();
sb.append(product_names.get(key)+":");
sb.append("['"+key+"'],");
}
sb.deleteCharAt(sb.length()-1);
sb.append("}");
response.getWriter().write(sb.toString());
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {request.setCharacterEncoding("UTF-8");response.setCharacterEncoding("UTF-8");Map<String, String> product_names = DataManager.getGroup_names();StringBuffer sb = new StringBuffer();sb.append("{");Set<String> keys = product_names.keySet();for(Iterator<String> iter = keys.iterator();iter.hasNext();) {String key = iter.next();sb.append(product_names.get(key)+":");sb.append("['"+key+"'],");}sb.deleteCharAt(sb.length()-1);sb.append("}");response.getWriter().write(sb.toString());}

前臺設值

Java代碼

$.ajax({
type:"post",
url:"InitData",
data:"",
success:function(data) {
var map = eval("("+data+")");
$.each(map,function(key,values){
$("<option value="+values+">"+key+"</option>").appendTo("#p_name");
}
);
}
});

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