自動加載省份信息
引入jquery文件:
<script src="./jquery-1.11.0.js" type="text/javascript"></script>
在region.html新增代碼:
通過$(document).ready(function()?{}頁面加載即發(fā)送ajax請求
<script type="text/javascript">
$(document).ready(function() {
// 加載所有的省份
$.ajax({
type: "get",
url: "region_action.php", // type=1表示查詢省份
data: {"parent_id": "1", "type": "1"},
dataType: "json",
success: function(data) {
$("#provinces").html("<option value=''>請選擇省份</option>");
$.each(data, function(i, item) {
// alert(item.region_id);
$("#provinces").append("<option value='" + item.region_id + "'>" + item.region_name + "</option>");
});
}
});
</script>新建region_action.php文件,執(zhí)行數(shù)據(jù)庫查詢出所有省份即region_type=1,parent_id=1的值
代碼如下:
<?php
header("Content-Type:text/html;charset=utf-8");
include './mysqli.php';
$type = isset($_GET["type"]) ? $_GET["type"] : "";
$parent_id = isset($_GET["parent_id"]) ? $_GET["parent_id"] : "";
// 鏈接數(shù)據(jù)庫
if ($type == "" || $parent_id == "") {
exit(json_encode(array("flag" => false, "msg" => "查詢類型錯誤")));
} else {
// 鏈接數(shù)據(jù)庫
$sql="select *from global_region where parent_id=$parent_id AND region_type=$type";
$result=$mysqli->query($sql);
if($result->num_rows>0)
{
$arr=[];
while ($row=$result->fetch_assoc())
{
$arr[$row["region_id"]]['region_id']=$row["region_id"];//$arr[1]["title"]=$row["title"]
$arr[$row["region_id"]]['region_name']=$row["region_name"];//$arr[1]["content"]=$arr["content"]
}
}
$provinces_json = json_encode($arr);//數(shù)組轉(zhuǎn)json
exit($provinces_json);
}
?>運行結(jié)果:
