From 84923cf985feba2ee04423623b3dde5ffffc983a Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Wed, 22 Nov 2023 10:59:17 +0800
Subject: [PATCH] 增强业务基类能力，可以转嫁整个继承链
---
forms/userSignature/CUserSignature.vue | 126 ++++++++++++++++++++++++++++++++++++++----
1 files changed, 114 insertions(+), 12 deletions(-)
diff --git a/forms/userSignature/CUserSignature.vue b/forms/userSignature/CUserSignature.vue
index 09dbbc2..f04bf42 100644
--- a/forms/userSignature/CUserSignature.vue
+++ b/forms/userSignature/CUserSignature.vue
@@ -1,15 +1,10 @@
/**
- * CUserSignature
+ * CUserSignature - 用户签名
* @author Tevin
*/
<template>
<view class="c-user-signature">
- <!-- <AtSwitch
- :title="itemRes.label"
- :checked="itemRes.formData[itemRes.name]"
- :onChange="evt=>itemRes.onChange(evt)"
- /> -->
<AtInput
ref="input"
:name="itemRes.name"
@@ -21,17 +16,34 @@
ref="drawing"
class="c-user-signature-drawing"
>
- <view class="button">
- <AtIcon value="edit" />
+ <view
+ class="c-user-signature-button"
+ @tap="evt => handleStartEdit()"
+ >
+ <image
+ class="c-user-signature-preview"
+ v-if="itemRes.formData[itemRes.name]"
+ mode="aspectFit"
+ :src="itemRes.formData[itemRes.name]"
+ />
+ <AtIcon
+ v-if="!itemRes.formData[itemRes.name]"
+ value="edit"
+ />
</view>
- <text class="tips">（点击修改）</text>
</view>
</view>
</template>
<script>
+import Taro from '@tarojs/taro';
import { AtInput, AtIcon } from 'taro-ui-vue';
import { $ } from '@tarojs/extend';
+import { Fetcher } from '@components/bases/Fetcher';
+import { $fetchCommon } from '@fetchers/FCommon';
+import { $bridge } from '@components/common/Bridge';
+import { $hostBoot } from '@components/bases/HostBoot';
+import project from '@project';
import './cUserSignature.scss';
export default {
@@ -45,10 +57,100 @@
itemRes: Object,
},
data() {
- return {};
+ return {
+ // id: 'CUserSignatureCanvas' + Date.now() + parseInt(Math.random() * 10000),
+ // cavWidth: 1000,
+ // cavHeight: 1600,
+ };
},
- computed: {
- className() {},
+ computed: {},
+ methods: {
+ handleStartEdit() {
+ // 混合App中
+ if (project.appHybrid) {
+ $bridge.invoking('_get_user_sign', sign => {
+ if (!sign) {
+ return;
+ }
+ const url = this._transBase64ToBlob(sign.result);
+ this.itemRes.onChange(url);
+ });
+ }
+ // TODO: 普通h5、小程序中，使用 canvas 签名
+ },
+ _transBase64ToBlob(base64) {
+ const arr = base64.split(',');
+ const mime = arr[0].match(/:(.*?);/)[1];
+ const bstr = atob(arr[1]);
+ let n = bstr.length;
+ const u8arr = new Uint8Array(n);
+ while (n--) {
+ u8arr[n] = bstr.charCodeAt(n);
+ }
+ const blob = new Blob([u8arr], { type: mime });
+ return URL.createObjectURL(blob);
+ },
+ $startEdit() {
+ this.handleStartEdit();
+ },
+ $uploadImage(callback) {
+ const file = {
+ url: this.itemRes.formData[this.itemRes.name],
+ fileName: 'file-' + Date.now() + '.png',
+ };
+ // 没有上传内容，视为上传成功
+ if (!file.url) {
+ callback('success');
+ return;
+ }
+ // 不是临时文件，视为上传成功
+ if (
+ file.url.indexOf('blob') < 0 &&
+ file.url.indexOf('wxfile') < 0 &&
+ file.url.indexOf('http://tmp/') < 0
+ ) {
+ callback('success');
+ return;
+ }
+ // 开始上传
+ let header = {};
+ if (process.env.TARO_ENV === 'weapp') {
+ const localCookies = JSON.parse(Taro.getStorageSync('cookies') || '{}');
+ const cookiesArr = [];
+ Object.keys(localCookies).forEach(key => {
+ cookiesArr.push(key + '=' + localCookies[key]);
+ });
+ header['Cookie'] = cookiesArr.join('; ');
+ }
+ Taro.uploadFile({
+ url: $hostBoot.getHost() + $fetchCommon.getUploadImgURL(),
+ header,
+ filePath: file.url,
+ fileName: file.fileName,
+ name: 'file',
+ formData: {},
+ success: res => {
+ const res2 =
+ typeof res.data === 'string' ? JSON.parse(res.data) : res.data;
+ if (res2.state.code === 2000) {
+ const serverUrl = $fetchCommon.transImgPath(
+ 'fix',
+ res2.data.src || res2.data.file || res2.data.url
+ );
+ this.itemRes.onChange(serverUrl);
+ callback('success');
+ } else {
+ callback('error', res2.state.msg);
+ }
+ },
+ cancel() {
+ callback('error', '上传图片已取消！');
+ },
+ fail() {
+ callback('error', '上传图片失败！');
+ },
+ });
+ },
},
mounted() {
if (process.env.TARO_ENV === 'h5') {
--
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