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57 lines
1.3 KiB
57 lines
1.3 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>Vue.set的使用</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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<h2>学校名称：{{name}}</h2> |
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<h2>学校地址：{{address}}</h2> |
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<!-- <h2>校长：{{leader}}</h2>--> |
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<hr/> |
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<button @click="addSex">添加性别</button> |
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<h2>学生姓名：{{student.name}}</h2> |
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<h2>学生年龄：真实{{student.age.rAge}},对外{{student.age.sAge}}</h2> |
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<h2 v-if="student.sex">学生性别：{{student.sex}}</h2> |
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<!-- Vue.set(vm._data.student, 'sex', '男')--> |
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<!-- Vue.set(vm.student, 'sex', '男')--> |
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<!-- vm.$set(vm._data.student, 'sex', '男')--> |
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<h2>朋友</h2> |
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<ul> |
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<li v-for="(f,index) in student.friends" :key="index"> |
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<h2>{{f.name}} - {{f.age}}</h2> |
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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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const vm = new Vue({ |
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el: '#root', |
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data: { |
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name: '哈哈', |
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address: '北京', |
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student: { |
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name: 'tom', |
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age: { |
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rAge: 40, |
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sAge: 29, |
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}, |
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friends:[ |
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{name: 'jerry', age: 35}, |
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{name: 'tony', age: 28} |
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] |
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} |
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}, |
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methods: { |
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addSex() { |
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Vue.set(this.student, "sex", "男") |
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// vm.$set(this.student, 'sex', '男') |
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} |
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} |
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}) |
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</script> |
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</html> |