<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>作业</title>
</head>
<body>
<div id="app">
<h1 class="text-center">学生成绩总分排名表</h1>
<table class="table table-hover">
<thead>
<tr>
<th>姓名</th>
<th>数学</th>
<th>语文</th>
<th>英语</th>
<th>总分</th>
</tr>
</thead>
<tbody>
<tr v-for="dic in order_scores">
<th>{{ dic['name'] }}</th>
<th>{{ dic['math'] }}</th>
<th>{{ dic['chinese'] }}</th>
<th>{{ dic['english'] }}</th>
<th>{{ dic['math']+dic['chinese']+dic['english'] }}</th>
</tr>
</tbody>
</table>
<h1 class="text-center">学生成绩及格表</h1>
<table class="table table-hover">
<thead>
<tr>
<th>姓名</th>
<th>数学</th>
<th>语文</th>
<th>英语</th>
<th>总分</th>
</tr>
</thead>
<tbody>
<tr v-for="dic in pass_score">
<th>{{ dic['name'] }}</th>
<th>{{ dic['math'] }}</th>
<th>{{ dic['chinese'] }}</th>
<th>{{ dic['english'] }}</th>
<th>{{ dic['math']+dic['chinese']+dic['english'] }}</th>
</tr>
</tbody>
</table>
<h1 class="text-center">学生成绩查询表</h1>
<p>
<button type="button" @click="subject('math')">数学</button>
<button type="button" @click="subject('chinese')">语文</button>
<button type="button" @click="subject('english')">英语</button>
</p>
<p>请输入分数
<input type="number" v-model="start" min="0" max="100">~
<input type="number" v-model="end" min="0" max="100">
</p>
<table class="table table-hover">
<thead>
<tr>
<th>姓名</th>
<th :style="{backgroundColor: math}">数学</th>
<th :style="{backgroundColor: chinese}">语文</th>
<th :style="{backgroundColor: english}">英语</th>
<th>总分</th>
</tr>
</thead>
<tbody>
<tr v-for="dic in scores">
<th>{{ dic['name'] }}</th>
<th :style="{backgroundColor: math}">{{ dic.math }}</th>
<th :style="{backgroundColor: chinese}">{{ dic.chinese }}</th>
<th :style="{backgroundColor: english}">{{ dic.english }}</th>
<th>{{ dic['math']+dic['chinese']+dic['english'] }}</th>
</tr>
</tbody>
</table>
</div>
</body>
<script src="js/vue.js"></script>
<script>
new Vue({
el: '#app',
data: {
scores: [
{name: 'Bob', math: 97, chinese: 89, english: 67},
{name: 'Tom', math: 67, chinese: 52, english: 98},
{name: 'Jerry', math: 72, chinese: 87, english: 89},
{name: 'Ben', math: 92, chinese: 87, english: 59},
{name: 'Chan', math: 47, chinese: 85, english: 92},
],
english: "",
chinese: "",
math: "",
start: '',
end: '',
page: ''
},
methods: {
subject(sub) {
if (sub === "math") {
this.math = "red";
this.english = '';
this.chinese = '';
} else if (sub === "english") {
this.english = "red";
this.math = "";
this.chinese = "";
} else {
this.math = '';
this.english = '';
this.chinese = "red";
}
}
},
computed: {
order_scores: function () {
let arr = this.scores;
for (let i = 0; i < arr.length; i++) {
for (let j = 0; j < arr.length - 1; j++) {
let sum1 = arr[j].math + arr[j].chinese + arr[j].english;
let sum2 = arr[j + 1].math + arr[j + 1].chinese + arr[j + 1].english;
if (sum1 < sum2) {
let temp = arr[j + 1];
arr[j + 1] = arr[j];
arr[j] = temp;
}
}
}
return arr
},
pass_score: function () {
let arr = this.scores;
let arr1 = [];
for (let i = 0; i < arr.length; i++) {
if (arr[i].math >= 60 && arr[i].chinese >= 60 && arr[i].english >= 60) {
arr1[i] = arr[i]
}
}
return arr1
},
}
})
</script>
</html>
