feat(系统公告管理): 解除描述的字数限制

src/views/sys/notice-message/index.vue

@@ -221,14 +221,7 @@
               v-model.trim="form.description"
               type="textarea"
               :rows="8"
-              maxlength="300"
-              @input="descInput"
             />
-            <span
-              class="numberV"
-              style="position: absolute; right: 10px;bottom: 0;"
-              >{{ txtVal }}/300</span
-            >
           </el-form-item>
           <el-form-item>
             <el-button type="primary" @click="submitForm()">保存</el-button>
@@ -272,7 +265,6 @@ export default {
       announcementArray,
       productConfigShowcase,
       pickerOptions,
-      txtVal: 0,
       activeGiftId: "",
       pushTextHistoryLoading: false,
       pushTextHistoryVisible: false,
@@ -468,9 +460,7 @@ export default {
     handleClose() {
       this.formVisible = false;
     },
-    descInput() {
+
-      this.txtVal = this.form.description.length;
-    },
     httpRequest(file) {
       const that = this;
       that.uploadLoading = true;