Question

我正在开发一个自动填写地址的项目。我首先选择一个国家。一旦我选择了一个国家，我希望只能从该国家中选择县。我希望能够从所选国家/地区中选择ID并将其发送到网址中，以便用户只能选择该国家/地区的县。如果我将此$ .getJSON（＆＃34; includes / county.php？countryId =＆＃34; + countryId，req，function（data））更改为此$ .getJSON（＆＃34; includes / county.php？countryId =＆＃34; + 372，req，函数（数据）它的工作原理，但是如何将国家的id输入到url中的countryId变量？

NO

html表单：

//Country
        $(document).ready(function () {
            $("#country").autocomplete({
                //Defines the callback to format the results
                source: function (req, add) {
                    $.getJSON("includes/country.php", req, function (data) {
                        //Creates an array for results
                        var suggestions = [];
                        //Processes the response
                        $.each(data, function (i, val) {
                            suggestions.push(val);
                        });
                        //Pass thr array to callback
                        add(suggestions);
                    });
                },
                //Defines the select handler
                select: function (e, ui) {
                    $("#country").val(ui.item.value);
                }
            });
        });

        //Selecting the county
        $(document).ready(function () {
            $("#county").autocomplete({
                //Defines the callback to format the results
                source: function (req, add) {
                    $.getJSON("includes/county.php?countryId=" + countryId, req, function (data) {
                        //Creates an array for results
                        var suggestions = [];
                        //Processes the response
                        $.each(data, function (i, val) {
                            suggestions.push(val);
                        });
                        //Pass thr array to callback
                        add(suggestions);
                    });
                },
                //Defines the select handler
                select: function (e, ui) {
                    $("#county").val(ui.item.value);
                }
            });
        });

Country.php文件：

<div class="field">
                <label id="countryLabel">Country: </label>
                <div id="friends" class="ui-helper-clearfix">
                <input type="text" name="country" id="country">
                </div>
            </div>
            <div class="field">
                <label id="countyLabel">County: </label>
                <div id="friends" class="ui-helper-clearfix">
                <input type="text" name="county" id="county">
                </div>
            </div>

County.php文件：

<?php
require_once("database.php");
$country = $_GET["term"];

if ($country != null) {
$queryCountry = "SELECT * FROM countries WHERE country LIKE :country";
$statement = $db->prepare($queryCountry);
$statement->bindValue(":country", $country."%", PDO::PARAM_STR);
try {
    $statement->execute();
}
catch(PharException $e) {
    echo $e->getMessage();
    exit();
}
$results = $statement->fetchAll();
$statement->closeCursor();

$countries = array();

foreach ($results as $result){
    $countries[$result['id']] = $result['country'];
}
$response = json_encode($countries);
echo $response;
}

从数据库中自动完成表单

0 个答案: