refactor(SearchBoxWithPicker): 移除扫码功能相关代码

- 删除搜索框组件中的扫码图标点击事件及相关逻辑
- 移除不再使用的showScan属性，简化组件结构
- 优化代码可读性，提升维护性

components/SearchBoxWithPicker.vue

@@ -13,7 +13,7 @@
         <!-- 搜索输入框区域 -->
         <view class="input-wrapper row bothSide verCenter" :class="{ 'full-width': !showPicker }">
             <view class="input-content row verCenter">
-                <text class="search-icon iconfont icon-juxing1" @click="handleSearchIconClick"></text>
+                <text class="search-icon iconfont icon-juxing1"></text>
                 <input class="search-input" :placeholder="placeholder" :placeholder-style="placeholderStyle" :focus="inputFocus" v-model="inputValue" @input="handleInput" maxlength="-1" />
             </view>
             <text class="clear-icon iconfont icon-a-juxing11" @click="handleClearInput" v-if="showClearIcon || !!inputValue"></text>
@@ -22,10 +22,6 @@
 </template>
 
 <script>
-    // #ifdef APP-PLUS
-    import { openScan } from '@/uni_modules/xtf-scanqrcode';
-    // #endif
-
     export default {
         name: 'SearchBoxWithPicker',
         props: {
@@ -60,10 +56,6 @@
             showClear: {
                 type: Boolean,
                 default: false
-            },
-            showScan: {
-                type: Boolean,
-                default: false
             }
         },
         data() {
@@ -123,41 +115,6 @@
                     this.inputFocus = true;
                 }, 200);
             },
-            /**
-             * 搜索图标点击事件
-             */
-            handleSearchIconClick() {
-                if (!this.showScan) return;
-                // #ifdef APP-PLUS
-                openScan({
-                    scanHintText: '请将条码/二维码对准扫描框',
-                    fullScreenScan: true,
-                    isShowBeep: false,
-                    isShowVibrate: true,
-                    isShowLightController: true,
-                    isShowPhotoAlbum: false,
-                    success: (type, data) => {
-                        if (type === 0) {
-                            this.inputValue = data;
-                            this.showClearIcon = true;
-                            this.$emit('update:value', data);
-                            this.$emit('scan', data);
-                        }
-                    }
-                });
-                // #endif
-                // #ifdef MP-WEIXIN
-                uni.scanCode({
-                    success: (res) => {
-                        var data = res.result;
-                        this.inputValue = data;
-                        this.showClearIcon = true;
-                        this.$emit('update:value', data);
-                        this.$emit('scan', data);
-                    }
-                });
-                // #endif
-            }
         }
     };
 </script>