From fdeb869c386da95150a087bc22bcebc4e57d0f76 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Tue, 18 Mar 2025 18:16:32 +0800
Subject: [PATCH] 更新所有表单组件文档和头注释

---
 forms/textarea/CTextArea.vue |   63 +++++++++++++++++++++++++------
 1 files changed, 51 insertions(+), 12 deletions(-)

diff --git a/forms/textarea/CTextArea.vue b/forms/textarea/CTextArea.vue
index 3a592ba..a72589e 100644
--- a/forms/textarea/CTextArea.vue
+++ b/forms/textarea/CTextArea.vue
@@ -1,30 +1,39 @@
 /**
  * CTextArea
+ * 多行文本输入组件,用于在表单中收集用户的多行文本输入
+ * 支持设置输入区域高度,可以通过行数或像素值来控制
+ * 支持只读模式和自动增高功能
  * @author Tevin
  */
 
 <template>
-    <view class="c-textarea">
+    <view
+        class="c-textarea"
+        :class="readOnly?'read-only':''"
+    >
         <AtInput
             ref="input"
-            :name="itemData.name"
-            :title="itemData.label"
-            :required="itemData.required"
-            :error="itemData.error"
+            :name="itemRes.name"
+            :title="itemRes.label"
+            :required="itemRes.required"
+            :disabled="itemRes.disabled"
+            :error="itemRes.error"
         />
         <textarea
             ref="textarea"
             class="textarea"
-            :style="{height: height || '2rem'}"
+            :style="{minHeight: areaHeight, height: areaHeight}"
             :placeholder="placeholder"
-            :value="itemData.formData[itemData.name]"
-            :autoFocus="true"
-            @input="evt=>itemData.onChange(evt.detail.value)"
+            :value="itemRes.formData[itemRes.name]"
+            :autoFocus="false"
+            :autoHeight="true"
+            @input="evt=>itemRes.onChange(evt.detail.value)"
         />
     </view>
 </template>
 
 <script>
+import Taro from '@tarojs/taro';
 import { $ } from '@tarojs/extend';
 import { AtInput } from 'taro-ui-vue';
 import './cTextArea.scss';
@@ -35,16 +44,46 @@
         AtInput,
     },
     props: {
-        height: String,
+        // 表单数据资源(表单组件内部机制专用)
+        itemRes: Object,
+        // 文本域输入区域高度
+        height: {
+            type: Number,
+            default: 94,
+        },
+        // 文本雨输入区行数
+        rows: Number,
+        // 只读模式
+        readOnly: {
+            type: Boolean,
+            default: false,
+        },
+        // 占位提示
         placeholder: String,
-        itemData: Object,
     },
     data() {
         return {};
     },
+    computed: {
+        areaHeight() {
+            if (this.rows) {
+                return Taro.pxTransform(this.rows * 40, 750);
+            } else {
+                return Taro.pxTransform(this.height, 750);
+            }
+        },
+    },
     methods: {},
     mounted() {
-        $(this.$refs.input.$el).find('.at-input__input').prepend(this.$refs.textarea.$el);
+        if (process.env.TARO_ENV === 'h5') {
+            $(this.$refs.input.$el)
+                .find('.at-input__input')
+                .prepend(this.$refs.textarea.$el);
+        } else if (process.env.TARO_ENV === 'weapp') {
+            $(this.$refs.input.$el)
+                .find('.at-input__container')
+                .append(this.$refs.textarea);
+        }
     },
 };
 </script>
\ No newline at end of file

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