054：vue工具 --- BASE64加密解密互相转换

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查看专栏目录: VUE ------ element UI

专栏目标

在vue和element UI联合技术栈的操控下，本专栏提供行之有效的源代码示例和信息点介绍，做到灵活运用。

（1）提供vue2的一些基本操作：安装、引用，模板使用，computed，watch，生命周期(beforeCreate，created,beforeMount，mounted, beforeUpdate，updated, beforeDestroy，destroyed，activated，deactivated，errorCaptured，components，)、 $root , $parent , $children , $slots , $refs , props, $emit , eventbus ,provide / inject, Vue.observable, $listeners, $attrs, $nextTick , v-for, v-if, v-else,v-else-if，v-on，v-pre，v-cloak，v-once，v-model， v-html, v-text, keep-alive，slot-scope， filters, v-bind，.stop, .native, directives，mixin，render，国际化，Vue Router等

（2）提供element UI的经典操作：安装，引用，国际化，el-row，el-col，el-button，el-link，el-radio，el-checkbox ，el-input，el-select, el-cascader, el-input-number, el-switch,el-slider, el-time-picker, el-date-picker, el-upload, el-rate, el-color-picker, el-transfer, el-form, el-table, el-tree, el-pagination,el-badge,el-avatar,el-skeleton, el-empty, el-descriptions, el-result, el-statistic, el-alert, v-loading, $message, $alert, $prompt, $confirm , $notify, el-breadcrumb, el-page-header,el-tabs ,el-dropdown,el-steps,el-dialog, el-tooltip, el-popover, el-popconfirm, el-card, el-carousel, el-collapse, el-timeline, el-divider, el-calendar, el-image, el-backtop，v-infinite-scroll， el-drawer等

应用场景

vue项目中，如何做BASE64加密解密互相转换呢，下面的示例就是这样的一个小工具，具体的看源代码

示例效果

示例源代码（共136行）

/*
* @Author: 大剑师兰特（xiaozhuanlan），还是大剑师兰特（CSDN）
* @此源代码版权归大剑师兰特所有，可供学习或商业项目中借鉴，未经授权，不得重复地发表到博客、论坛，问答，git等公共空间或网站中。
* @Email: 2909222303@qq.com
* @weixin: gis-dajianshi
* @First published in CSDN
* @First published time: 2023-12-17
*/<template><div class="djs-box"><div class="topBox"><h3>vue工具：BASE64加密解密互相转换 </h3><div>大剑师兰特, 还是大剑师兰特，gis-dajianshi</div></div><div class="dajianshi"><el-input type="textarea" :rows="10" v-model="textdata" style="font-size: 18px;"></el-input></div><h4><el-button type="success" size="small" @click="encode64(textdata)">BASE64加密</el-button><el-button type="primary" size="small" @click="decode64(textdata)">BASE64解密</el-button></h4></div>
</template><script>export default {data() {return {textdata: 'Dajianshi',}},mounted() {},methods: {encode64(input) {				var keyStr = "ABCDEFGHIJKLMNOP" +"QRSTUVWXYZabcdef" +"ghijklmnopqrstuv" +"wxyz0123456789+/" +"=";input = escape(input);var output = "";var chr1, chr2, chr3 = "";var enc1, enc2, enc3, enc4 = "";var i = 0;do {chr1 = input.charCodeAt(i++);chr2 = input.charCodeAt(i++);chr3 = input.charCodeAt(i++);enc1 = chr1 >> 2;enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);enc4 = chr3 & 63;if (isNaN(chr2)) {enc3 = enc4 = 64;} else if (isNaN(chr3)) {enc4 = 64;}output = output +keyStr.charAt(enc1) +keyStr.charAt(enc2) +keyStr.charAt(enc3) +keyStr.charAt(enc4);chr1 = chr2 = chr3 = "";enc1 = enc2 = enc3 = enc4 = "";} while (i < input.length);this.textdata=output;},decode64(input) {							var keyStr = "ABCDEFGHIJKLMNOP" +"QRSTUVWXYZabcdef" +"ghijklmnopqrstuv" +"wxyz0123456789+/" +"=";var output = "";var chr1, chr2, chr3 = "";var enc1, enc2, enc3, enc4 = "";var i = 0;// remove all characters that are not A-Z, a-z, 0-9, +, /, or =var base64test = /[^A-Za-z0-9\+\/\=]/g;if (base64test.exec(input)) {alert("There were invalid base64 characters in the input text.\n" +"Valid base64 characters are A-Z, a-z, 0-9, '+', '/', and '='\n" +"Expect errors in decoding.");}input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");do {enc1 = keyStr.indexOf(input.charAt(i++));enc2 = keyStr.indexOf(input.charAt(i++));enc3 = keyStr.indexOf(input.charAt(i++));enc4 = keyStr.indexOf(input.charAt(i++));chr1 = (enc1 << 2) | (enc2 >> 4);chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);chr3 = ((enc3 & 3) << 6) | enc4;output = output + String.fromCharCode(chr1);if (enc3 != 64) {output = output + String.fromCharCode(chr2);}if (enc4 != 64) {output = output + String.fromCharCode(chr3);}chr1 = chr2 = chr3 = "";enc1 = enc2 = enc3 = enc4 = "";} while (i < input.length);this.textdata= unescape(output);},}}
</script>
<style scoped>.djs-box {width: 900px;height: 580px;margin: 50px auto;border: 1px solid seagreen;}.topBox {margin: 0 auto 0px;padding: 10px 0 20px;background: #666;color: #fff;}.dajianshi {width: 90%;height: 300px;margin: 50px auto 0;}
</style>

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