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下拉菜单从数据库读取数据动态生成

2017-11-22 11:10 1061 查看

一、页面

index.ftl

<html>
<head>
<meta charset="utf-8">
<script type="text/javascript" src="js/jquery.js"></script>
</head>

<body>
<form action="",method="POST">
<select id="city"></select>

<input type="button" value="提交" onclick=("doSubmit()");>
</form>
</body>

<script>

$(document).ready(function(){
$.ajax({
contentType : "application/json;charset=utf-8",
type : "POST",
url : "queryCity.html",
dataType : "json",
success : function(data) {
alert("ss");

$.each(data, function(i, city) {
$('#city').append(
$('<option>').text(city.city).attr('value',
city.id));
});
}
});
});

</script>
</html>

二、controller文件

CityController.java

package com.lx.controller;

import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.lx.entity.City;
import com.lx.service.CityService;

@Controller
public class CityController {
@Autowired
private CityService cityService;

@RequestMapping(value="/queryCity",method=RequestMethod.POST)
public @ResponseBody ArrayList<City> xialacaidanPOST(HttpServletRequest request,HttpServletResponse response){

ArrayList<City> city =cityService.queryCity();

return city;
}
}

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标签： 下拉菜单

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