项目：调查问卷WebApp
描述：制作一个简单的调查问卷HTML 5小应用，每页有一道题目，题目可以是单选题、多选题、填写题等。
目录结构
index.html:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebApp</title>
</head>
<body>
<div id="app">
<questionnaire :questions="questions" @submit="handleSubmit"></questionnaire>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.js"></script>
<script src="questionnaire.js"></script>
<script src="questions.js"></script>
<script src="mybutton.js"></script>
<script>
var app = new Vue({
el: "#app",
data: {
questions: [
{
type: "radio",
title: "你的性别",
choices: ["男", "女"],
picked: ""
},
{
type: "multi",
title: "你的爱好",
choices: ['篮球', '足球', '羽毛球'],
picked: []
},
{
type: "typetext",
title: "自我介绍",
text: ""
}
]
},
methods: {
handleSubmit: function (e) {
var text = "";
text += "你是" + e[0].picked + "的\n";
text += "你喜欢" + e[1].picked.join("和") + "\n";
text += "你说'" + e[2].text + "'\n";
alert(text);
}
}
});
</script>
</body>
</html>
questionnaire.js:
Vue.component('questionnaire', {
template: '\
<div>\
<div>{{ page + 1 }} / {{ count }}</div>\
<div v-for="(item, index) in questions">\
<radioselect v-show="page === index" v-if="item.type==\'radio\'" :name="\'q\' + (index + \'\')" :title="item.title" :choices="item.choices" @pick="handlePick(arguments)"></radioselect>\
<multiselect v-show="page === index" v-else-if="item.type==\'multi\'" :name="\'q\' + (index + \'\')" :title="item.title" :choices="item.choices" @pick="handlePick(arguments)"></multiselect>\
<typetext v-show="page === index" v-else :name="\'q\' + (index + \'\')" :title="item.title" @pick="handlePick(arguments)"></typetext>\
</div>\
<mybutton v-show="page === count -1" :banned="disabledSubmit" @click="handleSubmit">提交</mybutton>\
<mybutton v-show="page < count -1" :banned="disabledNext" @click="handleNext">下一题</mybutton>\
<mybutton v-show="page > 0" :banned="false" @click="handlePrev">上一题</mybutton>\
<mybutton @click="handleReset" :banned="false">重置</mybutton>\
</div>',
props: {
questions: {
type: Array,
default: function () {
return [];
}
}
},
computed: {
count: function () {
return this.questions.length;
}
},
data: function () {
return {
page: 0,
disabledSubmit: true,
disabledNext: true
}
},
mounted: function () {
},
methods: {
handleSubmit: function () {
this.$emit('submit', this.questions);
},
handleNext: function () {
if (this.page < this.count - 1) {
this.page++;
this.updateDisabledNext();
}
},
handlePrev: function () {
if (this.page > 0) {
this.page--;
this.updateDisabledNext();
}
},
handleReset: function () {
question = this.questions[this.page];
switch (question.type) {
case 'radio':
this.$children[this.page].curValue = "";
break;
case 'multi':
this.$children[this.page].curValue = [];
break;
case 'typetext':
this.$children[this.page].value = "";
break;
default:
}
},
handlePick: function (arguments) {
question = this.questions[this.page];
switch (question.type) {
case 'radio':
case 'multi':
this.questions[this.page].picked = arguments[0];
break;
case 'typetext':
this.questions[this.page].text = arguments[0];
break;
default:
}
this.updateDisabledNext();
this.updateDisabledSubmit();
},
updateDisabledNext: function () {
var flag = false;
var item = this.questions[this.page];
if (item.type === 'radio') {
if (item.picked === "")
flag = true;
} else if (item.type === 'multi') {
if (item.picked.length < 2)
flag = true;
} else {
if (item.text.length < 10)
flag = true;
}
this.disabledNext = flag;
},
updateDisabledSubmit: function () {
var flag = false;
this.questions.forEach(function (item) {
if (item.type === 'radio') {
if (item.picked === "")
flag = true;
} else if (item.type === 'multi') {
if (item.picked.length < 2)
flag = true;
} else {
if (item.text.length < 10)
flag = true;
}
});
this.disabledSubmit = flag;
}
}
});
questions.js:
Vue.component('radioselect', {
name: 'radioselect',
props: {
name: {
type: String,
default: "question0"
},
title: {
type: String,
default: "Question"
},
choices: {
type: Array,
default: function () {
return ["C1", "C2", "C3"]
}
}
},
data: function () {
var _this = this;
var values = [];
this.choices.forEach(function (item, index) {
values.push(_this.name + (index + ''));
});
return {
values: values,
curValue: ""
}
},
template: '\
<div>\
<span>{{ title }}</span>\
<div v-for="(choice, index) in choices">\
<input type="radio" v-model="curValue" :value="choices[index]" :id="values[index]">\
<label :for="values[index]">{{ choice }}</label>\
</div>\
</div>\
',
methods: {
},
watch: {
curValue: function (val) {
this.$emit('pick', val);
}
}
});
Vue.component('multiselect', {
name: 'multiselect',
props: {
name: {
type: String,
default: "question0"
},
title: {
type: String,
default: "Question"
},
choices: {
type: Array,
default: function () {
return ["C1", "C2", "C3"]
}
}
},
data: function () {
var _this = this;
var values = [];
this.choices.forEach(function (item, index) {
values.push(_this.name + (index + ''));
});
return {
values: values,
curValue: []
}
},
template: '\
<div>\
<span>{{ title }}</span>\
<div v-for="(choice, index) in choices">\
<input type="checkbox" v-model="curValue" :value="choices[index]" :id="values[index]">\
<label :for="values[index]">{{ choice }}</label>\
</div>\
</div>\
',
methods: {
},
watch: {
curValue: {
handler: function (val) {
this.$emit('pick', val);
},
deep: true
}
}
});
Vue.component('typetext', {
name: 'typetext',
props: {
name: {
type: String,
default: "question0"
},
title: {
type: String,
default: "Question"
},
text: {
type: String,
default: ""
}
},
data: function () {
return {
value: this.text
}
},
template: '\
<div>\
<span>{{ title }}</span>\
<div>\
<textarea v-model="value">\
</textarea>\
</div>\
</div>\
',
methods: {},
watch: {
value: function (val) {
this.$emit('pick', val);
}
}
});
mybutton.js:
Vue.component('mybutton', {
props: {
fontcolor: {
type: String,
default: "#000"
},
banned: {
type: Boolean,
default: true
}
},
template: '\
<div>\
<button class="mybutton" @click="handleClick" :disabled="banned"><slot></slot></button>\
</div>',
methods: {
getStyle: function () {
return {
color: this.fontcolor,
":active color": "#fff"
}
},
handleClick: function () {
this.$emit('click');
}
}
});
