feat(gen_link): 添加面值选择功能并优化通道选择逻辑

- 在通道选择下拉框中添加 onchange 事件，调用 queryAllowedMM() 函数
- 新增面值选择下拉框，并实现 queryAllowedMMValue() 函数以获取可允许的面值
- 优化了 AJAX 请求逻辑，确保面值选择的动态更新

views/gen_link.html

@@ -77,18 +77,12 @@
                                 <div class="col-5 mm-select-label">
                                     <label>
                                         通道选择：
-                                        <select name="mm-select-road" id="mm-select-road">
+                                        <select name="mm-select-road" id="mm-select-road" onchange="queryAllowedMM()">
                                         </select>
                                     </label>
                                 </div>
-                                <div class="col-1 mm-select-label">
-                                    <button type="button" class="btn btn-default"
-                                        onclick="queryAllowedMM()">获取面额</button>
-                                </div>
                             </div>
                         </div>
-                        <!-- </section>
-                <section class="dashboard-counts"> -->
                         <div class="container-fluid">
                             <div class="row bg-white">
                                 <div class="col-3 mm-select-label">
@@ -124,7 +118,12 @@
                             </label>
                             <label>
                                 通道选择：
-                                <select name="mm-select-road" id="mm-road">
+                                <select name="mm-select-road" id="mm-road" onchange="queryAllowedMMValue()">
+                                </select>
+                            </label>
+                            <label>
+                                面值选择：
+                                <select name="mm-road-select" id="mm-road-select">
                                 </select>
                             </label>
                             <button type="submit" class="btn btn-default">上传文件</button>
@@ -189,6 +188,27 @@
         })
     }
 
+    // 获取可允许面值
+    function queryAllowedMMValue() {
+        $.ajax({
+            url: "/userInfo/queryAllowedMM",
+            dataType: "json",
+            data: {
+                "roadCode": $("#mm-road").val(),
+            },
+            method: "GET",
+            success: (res) => {
+                if (res.code !== 0) {
+                    alert(res.msg)
+                } else {
+                    for (let i = 0; i < res.data.length; i++) {
+                        $('#mm-road-select').append(`<option value="${res.data[i].productCode}">${res.data[i].roadName}</option>`)
+                    }
+                }
+            },
+        })
+    }
+
     function queryAllowedRoad() {
         $.ajax({
             url: "/userInfo/queryAllowedRoad",
@@ -199,7 +219,6 @@
                 } else {
                     globalSelectedValue = res.data;
                     for (let i = 0; i < res.data.length; i++) {
-                        console.log(res.data[i])
                         $('[name="mm-select-road"]').append(`<option value="${res.data[i].productCode}">${res.data[i].roadName}</option>`)
                     }
                 }