From f81a7a619725aa57c48353fca2c21a43fc3b7aee Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Wed, 06 Mar 2024 16:28:54 +0800
Subject: [PATCH] 公共组件库,文档建设开始

---
 forms/userSignature/CUserSignature.vue |   25 ++++++++++++++++++++-----
 1 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/forms/userSignature/CUserSignature.vue b/forms/userSignature/CUserSignature.vue
index f04bf42..8182423 100644
--- a/forms/userSignature/CUserSignature.vue
+++ b/forms/userSignature/CUserSignature.vue
@@ -32,6 +32,10 @@
                 />
             </view>
         </view>
+        <CSignatureLayer
+            v-if="drawSelf"
+            ref="drawLayer"
+        />
     </view>
 </template>
 
@@ -43,6 +47,7 @@
 import { $fetchCommon } from '@fetchers/FCommon';
 import { $bridge } from '@components/common/Bridge';
 import { $hostBoot } from '@components/bases/HostBoot';
+import CSignatureLayer from '@components/forms/userSignature/CSignatureLayer';
 import project from '@project';
 import './cUserSignature.scss';
 
@@ -51,6 +56,7 @@
     components: {
         AtInput,
         AtIcon,
+        CSignatureLayer,
     },
     props: {
         // 表单数据资源(表单组件内部机制专用)
@@ -58,9 +64,7 @@
     },
     data() {
         return {
-            // id: 'CUserSignatureCanvas' + Date.now() + parseInt(Math.random() * 10000),
-            // cavWidth: 1000,
-            // cavHeight: 1600,
+            drawSelf: process.env.TARO_ENV === 'weapp',
         };
     },
     computed: {},
@@ -76,7 +80,18 @@
                     this.itemRes.onChange(url);
                 });
             }
-            // TODO: 普通h5、小程序中,使用 canvas 签名
+            // 小程序中
+            else if (process.env.TARO_ENV === 'weapp') {
+                this.$refs.drawLayer.$onDraw(sign => {
+                    if (sign.indexOf('http') >= 0) {
+                        this.itemRes.onChange(sign);
+                    } else {
+                        const url = this._transBase64ToBlob(sign);
+                        this.itemRes.onChange(url);
+                    }
+                });
+            }
+            // TODO: 普通h5,使用 canvas 签名
         },
         _transBase64ToBlob(base64) {
             const arr = base64.split(',');
@@ -160,7 +175,7 @@
         } else if (process.env.TARO_ENV === 'weapp') {
             $(this.$refs.input.$el)
                 .find('.at-input__container')
-                .append(this.$refs.drawing.$el);
+                .append(this.$refs.drawing);
         }
     },
 };

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