vue3中使用vue-diff工具来比较数据差异

1.安装vue-diff

npm i vue-diff

2.main.js中全局注册

import VueDiff from "vue-diff";
import "vue-diff/dist/index.css";

app.use(VueDiff)

3.使用

<template>
    <div class="contain-page">
        <el-scrollbar height="100vh">
            <el-card>
                <div class="display-between">
                    <el-input clearable v-model="formParams.textarea1" style="width: 50vw;" class="mr10"
                        :autosize="{ minRows: 10, maxRows: 20 }" type="textarea" placeholder="请输入JSON"></el-input>
                    <el-input clearable v-model="formParams.textarea2" style="width: 50vw;" class="ml10"
                        :autosize="{ minRows: 10, maxRows: 20 }" type="textarea" placeholder="请输入需要比较的JSON"></el-input>
                </div>
                <div class="mt20">
                    <el-dropdown>
                        <el-button type="primary">
                            选择数据格式<el-icon class="el-icon--right"><arrow-down /></el-icon>
                        </el-button>
                        <template #dropdown>
                            <el-dropdown-menu>
                                <el-dropdown-item @click="language='json'">json格式</el-dropdown-item>
                                <el-dropdown-item @click="language='text'">text格式</el-dropdown-item>
                            </el-dropdown-menu>
                        </template>
                    </el-dropdown>
                    <el-button type="primary" plain @click="formParams = {}" class="ml20">清空</el-button>
                </div>
            </el-card>
            <el-card class="mt20">
                <div class="title">
                    对比预览
                </div>
                <Diff mode="split" theme="light" :language="language" :prev="formParams.textarea1"
                    :current="formParams.textarea2" style="height: calc(100% - 50px); width: 100%; overflow: scroll" />
            </el-card>
        </el-scrollbar>
    </div>
</template>
<script setup>
import { computed, ref } from 'vue';

const bool = computed(() => formParams.value.textarea1 === '' || formParams.value.textarea2 === '')
const language = ref("json")
const formParams = ref({
    textarea1: "",
    textarea2: ""
})
</script>

4.效果

5.说明

vue3中没有diff算法，不能使用diff插件，需要用vue-diff或者其他插件

6.补充

项目地址：https://gitcode.com/gh_mirrors/vu/vue-diff/overview

通过language属性来选择数据的格式，以下是数据格式

• css
• xml: xml, html, xhtml, rss, atom, xjb, xsd, xsl, plist, svg
• markdown: markdown, md, mkdown, mkd
• javascript: javascript, js, jsx
• json
• plaintext: plaintext, txt, text
• typescript: typescript, ts

原文地址：https://blog.csdn.net/2202_75509848/article/details/143486597

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