<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
#app {
94%;
margin: 20px auto;
}
.t5 {
margin-top: 5px;
}
.t10 {
margin-top: 10px;
}
.text {
100%;
height: 360px
}
</style>
</head>
<body>
<div id="app">
<p>base64图片互转</p>
<input type="file" accept="image/*" id="file" @change="toBase64(event)">
<div class="t10">
<textarea class="text" v-model="txt"></textarea>
</div>
<div class="t5">
<button @click="toImage">转为图片</button>
<img :src="src" alt="">
</div>
</div>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>
<script>
var vm = new Vue({
el: '#app',
data: {
txt: '',
src: ''
},
methods: {
toBase64: function (event) {
let file = event.target.files[0];
if (!/image/w+/.test(file.type)) {
alert('请确保文件为图像类型');
return
}
let that = this;
let reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function (event) {
that.txt = event.target.result
}
},
toImage() {
this.src = this.txt
}
}
})
</script>
</body>
</html>
