From f0bcc592edc69a00b8dbc65114d6517dc97d0068 Mon Sep 17 00:00:00 2001
From: zhaochengke <beyondk2000@163.com>
Date: Thu, 25 Aug 2022 11:39:10 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BA=A7=E8=81=94=E9=80=89=E6=8B=A9=E8=A1=A8?=
 =?UTF-8?q?=E5=8D=95=E7=BB=84=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/components/form/FieldCalender.vue   |   4 +-
 src/components/form/FieldCascader.vue   | 255 ++++++++++++++++++++++++
 src/components/form/FieldCheckbox.vue   |   5 +-
 src/components/form/FieldDatePicker.vue |   6 +-
 src/components/form/FieldRadio.vue      |   9 +-
 src/components/form/FieldSelect.vue     |   9 +-
 6 files changed, 280 insertions(+), 8 deletions(-)
 create mode 100644 src/components/form/FieldCascader.vue

diff --git a/src/components/form/FieldCalender.vue b/src/components/form/FieldCalender.vue
index 120859a7..d4cc5b2c 100644
--- a/src/components/form/FieldCalender.vue
+++ b/src/components/form/FieldCalender.vue
@@ -1,3 +1,4 @@
+<!-- 日历表单组件 zhao -->
 <template>
   <!-- !!!注: 不支持逝去的日子, 以`FieldDatePicker`代替 !!! -->
   <div>
@@ -36,7 +37,8 @@ import { formatDate } from "element-ui/src/utils/date-util.js"
 export default {
   name: "FieldCalender",
   props: [
-    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'formatter', 'labelWidth'
+    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'labelWidth',
+    'formatter', // value的格式化 String|Function|undefined 字符串为格式字符串, 函数则必须有返回 undefined则不转换
   ],
   watch: {
     value: function (newVal, oldVal) {
diff --git a/src/components/form/FieldCascader.vue b/src/components/form/FieldCascader.vue
new file mode 100644
index 00000000..61e00782
--- /dev/null
+++ b/src/components/form/FieldCascader.vue
@@ -0,0 +1,255 @@
+<!-- 级联树选择器表单组件 zhao -->
+<template>
+  <div>
+    <van-field
+      :readonly="true"
+      :clickable="!readonly"
+      :name="name"
+      :value="visibleValue"
+      :label="label"
+      :placeholder="placeholder"
+      @click="openPopup"
+      input-align="right"
+      right-icon="arrow-down"
+      :rules="rules"
+      :required="required"
+      :label-width="labelWidth || 'auto'"
+    >
+    </van-field>
+    <van-popup v-model="popupVisible" position="bottom">
+      <van-cascader
+        ref="picker"
+        :title="label"
+        v-model="internalValue"
+        :placeholder="placeholder || '请选择'"
+        :options="internalOptions"
+        :readonly="readonly"
+        :loading="loading"
+        :field-names="{
+          text: textName || 'text',
+          value: valueName || 'value',
+          children: childrenName || 'children',
+        }"
+        @finish="onConfirm"
+        @close="onCancel"
+        @change="onChanged"
+      />
+    </van-popup>
+  </div>
+</template>
+
+<script>
+import request from "@/utils/request";
+
+export default {
+  name: "fieldCascader",
+  props: [
+    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'labelWidth',
+    'options', // 树结构数组/普通数组
+    'textName', // 名称键名 String 默认text
+    'valueName', // 值键名 String 默认value
+    'remoteUrl', // 远程列表加载地址 String
+    'onRemoteResponse', // 远程获取到结果的处理回调 String|Function 如果是函数需返回数组, 如果是字符串支持.分割
+    'childrenName', // 子级数组键名 String 默认children
+    'parentName', // 父的值键名 String 如果不为空 则自动转数组为树树结构数组 String
+    'showTextAndValue', // 是否显示值和键 Bool|String 字符串为分隔符, true为空字符串
+    'showHasChildren', // 是否显示存在子级的标识 Bool|String 字符串为标识符, true为` >`
+  ],
+  watch: {
+    value: function (newVal, oldVal) {
+      if(newVal != this.internalValue)
+      {
+        this.internalValue = newVal;
+        this.syncIndex();
+      }
+    },
+    options: function (newVal, oldVal) {
+      this.internalOptions = this.makeTree(JSON.parse(JSON.stringify(newVal)));
+      this.handleTree(this.internalOptions);
+      this.syncIndex();
+    },
+    remoteUrl: function (newVal, oldVal) {
+      this.requestRemote();
+    },
+    onRemoteResponse: function (newVal, oldVal) {
+      this.parseRemote();
+    }
+  },
+  created() {
+    if(this.options && Array.isArray(this.options) && this.options.length > 0)
+    {
+      this.internalOptions = this.makeTree(JSON.parse(JSON.stringify(this.options)));
+      this.handleTree(this.internalOptions);
+      this.syncIndex();
+    }
+    else if(this.remoteUrl)
+      this.requestRemote();
+  },
+  data() {
+    return {
+      popupVisible: false,
+      internalValue: this.value,
+      visibleValue: '',
+      defaultIndex: 0,
+      internalOptions: [],
+      loading: false,
+      remoteResponse: null,
+    };
+  },
+  methods: {
+    openPopup() {
+      if(!this.readonly)
+      {
+        this.popupVisible = true;
+        this.$nextTick(() => {
+          //this.$refs.picker.setIndexes([this.defaultIndex]);
+        })
+      }
+    },
+    closePopup() {
+      this.popupVisible = false;
+    },
+    onChanged({ value, selectedOptions, tabIndex }) {
+      this.$emit('change', { value, selectedOptions, });
+    },
+    onConfirm({ value, selectedOptions, tabIndex }) {
+      this.syncValue(value, selectedOptions[selectedOptions.length - 1]);
+      this.$emit('input', this.internalValue);
+      this.$emit('confirm', this.internalValue);
+      this.closePopup();
+    },
+    onCancel() {
+      this.closePopup();
+      this.$emit('cancel');
+    },
+    getValue(data) {
+      return typeof(data) === 'object' && this.valueName ? data[this.valueName] : data;
+    },
+    getLabel(data) {
+      return typeof(data) === 'object' && this.textName ? data[this.textName] : data;
+    },
+    syncValue(value, data) {
+      this.internalValue = value;
+      this.visibleValue = this.getLabel(data);
+    },
+    requestRemote() {
+      if(!this.remoteUrl)
+        return;
+      this.loading = true;
+      this.internalOptions = [];
+      let promise = typeof(this.remoteUrl) === 'function' ? this.remoteUrl() : (this.remoteUrl instanceof Promise ? this.remoteUrl : request(this.remoteUrl));
+      promise.then((resp) => {
+        this.remoteResponse = resp;
+        this.parseRemote();
+      }).catch((e) => {
+        console.error(e);
+      }).finally(() => {
+        this.loading = false;
+      })
+    },
+    parseRemote() {
+      if(!this.remoteResponse)
+        return;
+      let type = typeof(this.onRemoteResponse);
+      if(type === 'function')
+        this.internalOptions = this.makeTree(this.onRemoteResponse(this.remoteResponse));
+      else if(type === 'string')
+      {
+        let arr = this.onRemoteResponse.split('.');
+        let ptr = this.remoteResponse;
+        for(let i in arr)
+        {
+          ptr = this.remoteResponse[arr[i]];
+        }
+        this.internalOptions = this.makeTree(ptr);
+      }
+      else
+        this.internalOptions = this.makeTree(this.remoteResponse);
+      this.handleTree(this.internalOptions);
+      this.syncIndex();
+    },
+    makeTree(list) {
+      let parentName = this.parentName;
+      let valueName = this.valueName || 'value';
+      let childrenName = this.childrenName || 'children';
+      function isnull(p) {
+        return p === null || p === undefined || p === '';
+      }
+      function makeTree_r(l, p) {
+        const isRoot = isnull(p);
+        let res = [];
+        for(let v of l)
+        {
+          const parentValue = v[parentName];
+          const value = v[valueName];
+          if((isRoot && isnull(parentValue)) || (!isRoot && parentValue == p))
+          {
+            let arr = makeTree_r(l, value);
+            if(arr && arr.length > 0)
+              v[childrenName] = arr;
+            else
+              delete v[childrenName];
+            res.push(v);
+          }
+        }
+        return res;
+      }
+      if(this.parentName)
+        return makeTree_r(list);
+      else
+        return list;
+    },
+    handleTree(tree) {
+      if(!this.showTextAndValue && !this.showHasChildren)
+        return;
+      let split = this.showTextAndValue === false || this.showTextAndValue === undefined || this.showTextAndValue === null ? false : (typeof(this.showTextAndValue) === 'boolean' ? "" : this.showTextAndValue);
+      let hasChildren = this.showHasChildren === false || this.showHasChildren === undefined || this.showHasChildren === null ? false : (typeof(this.showHasChildren) === 'boolean' ? " >" : this.showHasChildren);
+      let textName = this.textName || 'text';
+      let valueName = this.valueName || 'value';
+      let childrenName = this.childrenName || 'children';
+      function handleTree_r(l) {
+        for(let v of l)
+        {
+          if(split !== false)
+            v[textName] = v[valueName] + split + v[textName];
+          if(v[childrenName] && Array.isArray(v[childrenName]) && v[childrenName].length > 0)
+          {
+            if(hasChildren !== false)
+              v[textName] = v[textName] + hasChildren;
+            handleTree_r(v[childrenName]);
+          }
+        }
+      }
+      handleTree_r(tree);
+    },
+    findTree(tree, value) {
+      let valueName = this.valueName || 'value';
+      let childrenName = this.childrenName || 'children';
+      function findTree_r(l) {
+        for(let v of l)
+        {
+          if(value == v[valueName])
+            return v;
+          if(v[childrenName] && Array.isArray(v[childrenName]) && v[childrenName].length > 0)
+          {
+            let res = findTree_r(v[childrenName]);
+            if(res !== undefined)
+              return res;
+          }
+        }
+        return;
+      }
+      return findTree_r(tree);
+    },
+    syncIndex() {
+      let item = this.findTree(this.internalOptions, this.internalValue);
+      if(item)
+        this.visibleValue = item[this.textName || 'text'];
+    }
+  },
+}
+</script>
+
+<style scoped>
+
+</style>
diff --git a/src/components/form/FieldCheckbox.vue b/src/components/form/FieldCheckbox.vue
index 26e93d8e..4a140dca 100644
--- a/src/components/form/FieldCheckbox.vue
+++ b/src/components/form/FieldCheckbox.vue
@@ -1,3 +1,4 @@
+<!-- 状态单选框表单组件 zhao -->
 <template>
   <div>
     <van-field
@@ -27,7 +28,9 @@ export default {
   name: "fieldCheckbox",
   props: [
     'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules',
-    'trueLabel', 'falseLabel', 'labelWidth'
+    'labelWidth',
+    'trueLabel', // 选中的值
+    'falseLabel', // 未选中的值
   ],
   watch: {
     value: function (newVal, oldVal) {
diff --git a/src/components/form/FieldDatePicker.vue b/src/components/form/FieldDatePicker.vue
index 2fe03b0d..d9f60342 100644
--- a/src/components/form/FieldDatePicker.vue
+++ b/src/components/form/FieldDatePicker.vue
@@ -1,3 +1,4 @@
+<!-- 日期选择表单组件 zhao -->
 <template>
   <div>
     <van-field
@@ -40,8 +41,9 @@ import { formatDate } from "element-ui/src/utils/date-util.js"
 export default {
   name: "fieldDatePicker",
   props: [
-    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'formatter', 'labelWidth',
-    'type', // datetime date time year-month month-day datehour
+    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'labelWidth',
+    'type', // 类型, 仅支持 datetime date time year-month month-day datehour
+    'formatter', // value的格式化 String|Function|undefined 字符串为格式字符串, 函数则必须有返回 undefined则不转换
   ],
   watch: {
     value: function (newVal, oldVal) {
diff --git a/src/components/form/FieldRadio.vue b/src/components/form/FieldRadio.vue
index bc2b4417..2b009a6e 100644
--- a/src/components/form/FieldRadio.vue
+++ b/src/components/form/FieldRadio.vue
@@ -1,3 +1,4 @@
+<!-- 单选框组表单组件 zhao -->
 <template>
   <div>
     <van-field
@@ -24,8 +25,12 @@ import request from "@/utils/request";
 export default {
   name: "fieldRadio",
   props: [
-    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'columns',
-    'valueKey', 'dataKey', 'remoteUrl', 'onRemoteResponse', 'labelWidth'
+    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'labelWidth',
+    'columns', // 列表数据 Array
+    'valueKey', // 名称键名 String
+    'dataKey', // 值键名 String
+    'remoteUrl', // 远程列表加载地址 String
+    'onRemoteResponse', // 远程获取到结果的处理回调 String|Function 如果是函数需返回数组, 如果是字符串支持.分割
   ],
   watch: {
     value: function (newVal, oldVal) {
diff --git a/src/components/form/FieldSelect.vue b/src/components/form/FieldSelect.vue
index 7f4a1a0a..39a4edd6 100644
--- a/src/components/form/FieldSelect.vue
+++ b/src/components/form/FieldSelect.vue
@@ -1,3 +1,4 @@
+<!-- 下拉列表表单组件 zhao -->
 <template>
   <div>
     <van-field
@@ -38,8 +39,12 @@ import request from "@/utils/request";
 export default {
   name: "fieldSelect",
   props: [
-    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'columns',
-    'valueKey', 'dataKey', 'remoteUrl', 'onRemoteResponse', 'labelWidth'
+    'name', 'readonly', 'value', 'label', 'placeholder', 'required', 'rules', 'labelWidth',
+    'columns', // 列表数据 Array
+    'valueKey', // 名称键名 String
+    'dataKey', // 值键名 String
+    'remoteUrl', // 远程列表加载地址 String
+    'onRemoteResponse', // 远程获取到结果的处理回调 String|Function 如果是函数需返回数组, 如果是字符串支持.分割
   ],
   watch: {
     value: function (newVal, oldVal) {