feat(crm/contract): 添加状态变更功能并优化代码

在合同管理页面添加状态变更下拉选择功能，支持草稿、已生效、已作废和已完成四种状态切换。同时移除base.vue中无用的注释代码。

klp-ui/src/views/crm/contract/index.vue

@@ -76,6 +76,16 @@
           </span-tag>
         </template>
       </el-table-column>
+      <el-table-column label="状态变更" align="center" prop="status" v-hasPermi="['crm:contract:status']">
+        <template slot-scope="scope">
+          <el-select v-model="scope.row.status" placeholder="请选择状态变更" @change="handleChangeStatus(scope.row)">
+            <el-option label="草稿" :value="0" />
+            <el-option label="已生效" :value="1" />
+            <el-option label="已作废" :value="2" />
+            <el-option label="已完成" :value="3" />
+          </el-select>
+        </template>
+      </el-table-column>
       <el-table-column label="备注" align="center" prop="remark" />
       <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
         <template slot-scope="scope">
@@ -386,6 +396,16 @@ export default {
         this.loading = false;
       });
     },
+    /** 状态变更 */
+    handleChangeStatus(row) {
+      updateContract(row).then(response => {
+        this.$message({
+          message: "状态变更成功",
+          type: "success"
+        });
+        this.getList();
+      })
+    },
     /** 查询合同配卷列表 */
     getCoilList() {
       listContractPackaging(this.form.contractId).then(response => {