fix(approve): 修正审批状态及详情页参数传递问题

- 审批弹窗中不同意选项的值由2改为-1，保持审批状态一致性
- 不同意时的审批意见提示与校验对应修改为-1状态判断
- 审批详情页新增bill_id参数，提交接口调用中传递正确的bill_id
- 审批列表页跳转审批详情时携带bill_id参数，

pages/approve/detail.vue

@@ -90,10 +90,10 @@
                 <view class="modal-body">
                     <u-radio-group v-model="modalStatus" placement="row">
                         <u-radio :name="1" label="同意" :customStyle="{ marginRight: '60rpx' }"></u-radio>
-                        <u-radio :name="2" label="不同意" activeColor="#2979ff"></u-radio>
+                        <u-radio :name="-1" label="不同意" activeColor="#2979ff"></u-radio>
                     </u-radio-group>
                     <view class="modal-textarea-wrap">
-                        <u-textarea v-model="remark" :placeholder="modalStatus === 2 ? '不同意时，必须填写说明...' : '请输入审批意见（选填）'" :maxlength="200" height="200"></u-textarea>
+                        <u-textarea v-model="remark" :placeholder="modalStatus === -1 ? '不同意时，必须填写说明...' : '请输入审批意见（选填）'" :maxlength="200" height="200"></u-textarea>
                     </view>
                 </view>
                 <view class="modal-footer">
@@ -112,6 +112,7 @@
         data() {
             return {
                 id: '',
+                bill_id:'',
                 detail: {},
                 orderInfo: {},
                 showModal: false,
@@ -122,6 +123,7 @@
         },
         onLoad(options) {
             this.id = options.id || '';
+            this.bill_id = options.bill_id || '';
         },
         onShow() {
             if (this.id) {
@@ -189,13 +191,13 @@
              * @return {void}
              */
             submitApprove() {
-                if (this.modalStatus === 2 && !this.remark.trim()) {
+                if (this.modalStatus === -1 && !this.remark.trim()) {
                     uni.showToast({ title: '请输入驳回原因', icon: 'none' });
                     return;
                 }
                 this.submitting = true;
                 var params = {
-                    bill_id: this.id,
+                    bill_id: this.bill_id,
                     approval_status: this.modalStatus
                 };
                 if (this.remark.trim()) {

pages/approve/index.vue

@@ -204,7 +204,7 @@
              */
             handleApprove(item) {                
                 uni.navigateTo({
-                    url: `/pages/approve/detail?id=${item.approve_id}`
+                    url: `/pages/approve/detail?id=${item.approve_id}&bill_id=${item.bill_id}`
                 });
             }
         }