BPM：优化 task 加减签的实现

src/views/bpm/processInstance/detail/dialog/TaskSignDeleteForm.vue

@@ -0,0 +1,89 @@
+<template>
+  <Dialog v-model="dialogVisible" title="减签" width="500">
+    <el-form
+      ref="formRef"
+      v-loading="formLoading"
+      :model="formData"
+      :rules="formRules"
+      label-width="110px"
+    >
+      <el-form-item label="减签任务" prop="id">
+        <el-radio-group v-model="formData.id">
+          <el-radio-button v-for="item in childrenTaskList" :key="item.id" :label="item.id">
+            {{ item.name }}
+            ({{ item.assigneeUser?.deptName || item.ownerUser?.deptName }} -
+            {{ item.assigneeUser?.nickname || item.ownerUser?.nickname }})
+          </el-radio-button>
+        </el-radio-group>
+      </el-form-item>
+      <el-form-item label="减签理由" prop="reason">
+        <el-input v-model="formData.reason" clearable placeholder="请输入减签理由" />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
+      <el-button @click="dialogVisible = false">取 消</el-button>
+    </template>
+  </Dialog>
+</template>
+<script lang="ts" setup>
+import * as TaskApi from '@/api/bpm/task'
+import { isEmpty } from '@/utils/is'
+
+defineOptions({ name: 'TaskSignDeleteForm' })
+
+const message = useMessage() // 消息弹窗
+const dialogVisible = ref(false) // 弹窗的是否展示
+const formLoading = ref(false) // 表单的加载中
+const formData = ref({
+  id: '',
+  reason: ''
+})
+const formRules = ref({
+  id: [{ required: true, message: '必须选择减签任务', trigger: 'change' }],
+  reason: [{ required: true, message: '减签理由不能为空', trigger: 'blur' }]
+})
+
+const formRef = ref() // 表单 Ref
+const childrenTaskList = ref([])
+/** 打开弹窗 */
+const open = async (id: string) => {
+  childrenTaskList.value = await TaskApi.getChildrenTaskList(id)
+  if (isEmpty(childrenTaskList.value)) {
+    message.warning('当前没有可减签的任务')
+    return false
+  }
+  dialogVisible.value = true
+  resetForm()
+}
+defineExpose({ open }) // 提供 openModal 方法，用于打开弹窗
+
+/** 提交表单 */
+const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
+const submitForm = async () => {
+  // 校验表单
+  if (!formRef) return
+  const valid = await formRef.value.validate()
+  if (!valid) return
+  // 提交请求
+  formLoading.value = true
+  try {
+    await TaskApi.signDeleteTask(formData.value)
+    message.success('减签成功')
+    dialogVisible.value = false
+    // 发送操作成功的事件
+    emit('success')
+  } finally {
+    formLoading.value = false
+  }
+}
+
+/** 重置表单 */
+const resetForm = () => {
+  formData.value = {
+    id: '',
+    reason: ''
+  }
+  formRef.value?.resetFields()
+}
+</script>