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48 lines
1.4 KiB
48 lines
1.4 KiB
<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8"> |
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<title>更新时的一个问题</title> |
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<script type="text/javascript" src="../vue.js"></script> |
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</head> |
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<body> |
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<div id="root"> |
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<!-- 遍历列表--> |
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<h2>人员列表</h2> |
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<button @click="updateMei">更新马冬梅信息</button> |
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<ul> |
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<li v-for="(data, index) in listData" :key="data.id"> |
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{{data.name}} - {{data.age}} - {{data.sex}} |
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</li> |
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</ul> |
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</div> |
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</body> |
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<script type="text/javascript"> |
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Vue.config.productionTip = false |
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// 使用computed实现 |
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const vm = new Vue({ |
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el: "#root", |
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data: { |
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keyword: '', |
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sortType: 0, // 0-原顺序 1-年龄降序 2-年龄升序 |
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listData: [ |
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{id: 1, name: '马冬梅', age: 25, sex: '女'}, |
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{id: 2, name: '周冬雨', age: 19, sex: '女'}, |
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{id: 3, name: '周杰伦', age: 20, sex: '男'}, |
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{id: 4, name: '温兆伦', age: 17, sex: '男'} |
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], |
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}, |
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methods: { |
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updateMei() { |
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// this.listData[0].name = '马老师' |
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// this.listData[0].age = 55 |
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// this.listData[0].sex = '男' |
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// this.listData[0] = {id: 1, name: '马老师', age: 55, sex: '男'} |
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this.listData.splice(0, 1, {id: 1, name: '马老师', age: 55, sex: '男'} ) |
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} |
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} |
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}) |
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</script> |
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</html> |