vue2分页组件
2020/7/21 vue
# vue2.x自定义element-ui表格
custom-table.vue
<template>
<el-table
:data="data"
v-bind="$attrs"
v-on="$listeners"
>
<template v-for="(column, index) of columns">
<!-- render -->
<el-table-column
v-if="column.render"
:key="index"
v-bind="column"
>
<template slot-scope="scope">
<extend
:render="column.render"
:row="scope"
/>
</template>
</el-table-column>
<!-- no render -->
<el-table-column
v-else
:key="index"
v-bind="column"
/>
</template>
</el-table>
</template>
<script>
import extend from './render'
export default {
components: { extend },
props: {
data: {
type: Array,
required: true
},
columns: {
type: Array,
required: true
}
}
}
</script>
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render.js
export default {
functional: true,
props: {
row: {
type: Object
},
render: {
type: Function
}
},
render (h, ctx) {
return ctx.props.render(h, ctx.props.row)
}
}
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# pagination
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>vue分页组件</title>
<style>
.pagination-vue .page-list {
display: inline-block;
height: 40px;
line-height: 40px;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.pagination-vue .page-list span {
font-size: 14px;
color: #333333;
}
.pagination-vue .page-list .jump {
padding: 2px 6px;
text-align: center;
cursor: pointer;
margin-left: 5px;
background: rgba(204, 204, 204, 0.3);
border-radius: 6px;
}
.pagination-vue .page-list .jump:hover {
cursor: pointer;
color: #fff;
background: #ff1e1b;
border-radius: 6px;
}
.pagination-vue .page-list .current {
cursor: default;
color: #fff;
background: #ff1e1b;
border-radius: 6px;
}
.pagination-vue .page-list .jump.disabled {
pointer-events: none;
color: #999999;
}
.pagination-vue .page-list .go-btn {
font-size: 14px;
}
.pagination-vue .page-list .jump-inp input {
width: 44px;
height: 20px;
font-size: 13px;
border: 1px solid #ccc;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
text-align: center;
outline: none;
}
.pagination-vue .page-list .ellipsis {
padding: 0px 8px;
text-align: center;
cursor: pointer;
margin-left: 5px;
background: rgba(204, 204, 204, 0);
border-radius: 6px;
}
.pagination-vue .page-list .jump-point {
margin-left: 10px;
}
.pagination-vue .pageNum {
display: inline-block;
height: 28px;
font-size: 16px;
font-family: PingFangSC-Regular, PingFang SC;
font-weight: 400;
color: #666666;
line-height: 28px;
}
</style>
</head>
<body>
<div id="app">
<h1>{{msg}}</h1>
<vue-pagination2></vue-pagination2>
<pagination-com
:total="total"
:current="current"
@update:current="handleCurrentPage"
></pagination-com>
<pagination-com :total="total" :current.sync="current"></pagination-com>
</div>
<script src="https://cdn.bootcss.com/vue/2.6.11/vue.js"></script>
<script>
var template = `<div class="pagination-vue" v-show="show">
<div class="page-list">
<span class="jump" @click="jumpPage(1)">首页</span>
<span class="jump" :class="{disabled: startPage }" @click="prev">上一页</span>
<span class="jump" :class="{current: startPage}" @click="jumpPage(1)">1</span>
<span class="ellipsis" v-show="sMore">...</span>
<span class="jump" v-for="num in mids" :class="{current:current_page==num}" @click="jumpPage(num)">{{num}}</span>
<span class="ellipsis" v-show="eMore">...</span>
<span class="jump" :class="{current:endPage}" @click="jumpPage(total)">{{total}}</span>
<span :class="{disabled: endPage }" class="jump" @click="next">下一页</span>
<span class="jump" @click="jumpPage(total)">末页</span>
<span class="jump-point">前往：</span>
<span class="jump-inp"><input type="number" v-model.number="changePage"></span>
<span class="jump go-btn" @click="jumpPage(changePage)">GO</span>
</div>
<span class="pageNum">第{{current_page||1}}页/共{{total}}页</span>
<div>
Setting Pages: <input type="text" v-model="total">
</div>
</div>`;
var PaginationCom = Vue.extend({
data: function() {
return {
current_page: this.current, //当前页
page: 7,
changePage: "" //跳转页
};
},
props: {
total: {
type: Number,
require: true
},
current: {
type: Number,
default: 1
}
},
watch: {
current(val) {
this.current_page = val;
}
},
template: template,
computed: {
// 是否展示
show: function() {
return this.total && this.total != 1;
},
startPage: function() {
return this.current_page == 1;
},
endPage: function() {
return this.current_page == this.total;
},
// 显示前...
sMore: function() {
if (this.total <= this.page) return false;
var mids = this.mids;
var len = mids.length;
return mids[len - 1] > this.page - 1;
},
// 显示后...
eMore: function() {
if (this.total < this.page) return false;
var mids = this.mids;
var len = mids.length;
return mids[0] + len < this.total;
},
// 中间显示的页数
mids: function() {
var left = this.current_page + 1,
right = this.total - 1,
mid = this.page - 2,
mid_pages = [];
// 总页数大于当前显示最大页
if (this.total > this.page) {
if (
this.current_page > mid &&
this.current_page < this.total - (mid - 1)
) {
left = Number(this.current_page) - 3;
right = Number(this.current_page) + 1;
} else {
if (this.current_page <= mid) {
left = 2;
right = this.page - 1;
} else {
right = this.total - 1;
left = this.total - this.page + 2;
}
}
} else {
right = this.total - 1;
left = 2;
}
while (left <= right) {
mid_pages.push(left);
left++;
}
return mid_pages;
}
},
methods: {
prev: function() {
this.current_page--;
this.$emit("update:current", this.current_page);
},
next: function() {
this.current_page++;
this.$emit("update:current", this.current_page);
},
jumpPage: function(current) {
if (current <= this.total && current > 0) {
this.current_page = current;
this.$emit("update:current", current);
}
}
}
});
Vue.component("vue-pagination2", {
data: function() {
return {
current_page: 1, //当前页
total: 8, //总页数
page: 7,
changePage: "" //跳转页
};
},
template: template,
computed: {
// 是否展示
show: function() {
return this.total && this.total != 1;
},
startPage: function() {
return this.current_page == 1;
},
endPage: function() {
return this.current_page == this.total;
},
// 显示前...
sMore: function() {
if (this.total <= this.page) return false;
var mids = this.mids;
var len = mids.length;
return mids[len - 1] > this.page - 1;
},
// 显示后...
eMore: function() {
if (this.total < this.page) return false;
var mids = this.mids;
var len = mids.length;
return mids[0] + len < this.total;
},
// 中间显示的页数
mids: function() {
var left = this.current_page + 1,
right = this.total - 1,
mid = this.page - 2,
mid_pages = [];
// 总页数大于当前显示最大页
if (this.total > this.page) {
if (
this.current_page > mid &&
this.current_page < this.total - (mid - 1)
) {
left = Number(this.current_page) - 2;
right = Number(this.current_page) + 2;
} else {
if (this.current_page <= mid) {
left = 2;
right = this.page - 1;
} else {
right = this.total - 1;
left = this.total - this.page + 2;
}
}
} else {
right = this.total - 1;
left = 2;
}
while (left <= right) {
mid_pages.push(left);
left++;
}
return mid_pages;
}
},
methods: {
prev: function() {
this.current_page--;
this.$emit("update:current", this.current_page);
},
next: function() {
this.current_page++;
this.$emit("update:current", this.current_page);
},
jumpPage: function(current) {
if (current <= this.total && current > 0) {
this.current_page = current;
this.$emit("update:page", current);
}
}
}
});
new Vue({
el: "#app",
data: {
msg: "Hello",
total: 30,
current: 3
},
components: {
"pagination-com": PaginationCom
},
methods: {
handleCurrentPage: function(current) {
console.log("current page", current);
}
},
watch: {
current: function(val) {
console.log(val);
}
},
mounted() {
console.log("mounted");
this.current = 6;
}
});
</script>
</body>
</html>
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# i18n
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>vue i18n</title>
</head>
<body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://unpkg.com/vue-i18n/dist/vue-i18n.js"></script>
<div id="app">
<select name="" v-model="lang">
<option value="cn">中文</option>
<option value="en">英文</option>
<option value="ja">日文</option>
</select>
<p>{{ lang }}</p>
<p>{{ $t("message.hello") }}</p>
</div>
<script>
const messages = {
en: {
message: {
hello: "hello world"
}
},
ja: {
message: {
hello: "こんにちは、世界"
}
},
cn: {
message: {
hello: "你好"
}
}
};
// 通过选项创建 VueI18n 实例
const i18n = new VueI18n({
locale: "en", // 设置地区
messages // 设置地区信息
});
// console.log(i18n.locale = 'ja');
// 通过 `i18n` 选项创建 Vue 实例
const vm = new Vue({
data: {
lang: "en"
},
i18n,
watch: {
lang(val) {
this.$i18n.locale = val;
}
}
}).$mount("#app");
</script>
</body>
</html>
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# alert
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vue Alert</title>
<style>
.shadow {
background-color: rgba(0, 0, 0, 0.5);
display: table;
height: 100%;
left: 0;
position: fixed;
top: 0;
transition: opacity 0.3s ease;
width: 100%;
z-index: 50;
}
.modal {
display: table-cell;
vertical-align: middle;
overflow-x: hidden;
position: fixed;
background-color: white;
box-shadow: rgba(0, 0, 0, 0.33) 0px 2px 8px;
border-radius: 5px;
outline: 0px;
overflow: hidden;
transition: all 0.3s ease;
width: 600px;
height: 400px;
top: 50%;
left: 50%;
margin-top: -200px;
margin-left: -300px;
}
.header {
align-items: center;
background-color: #62a39e;
box-shadow: 0 1px 1px rgba(0, 0, 0, 0.16);
color: #fff;
font-weight: bold;
display: -ms-flexbox;
display: flex;
height: 3.5rem;
padding: 0 1.5rem;
position: relative;
z-index: 1;
}
.body {
align-items: center;
padding: 1.5rem;
}
.footer {
justify-content: flex-end;
padding: 1.5rem;
position: absolute;
bottom: 0;
width: 100%;
float: right;
}
.item {
color: white;
text-align: center;
border-radius: 5px;
padding: 10px;
cursor: pointer;
display: inline-block;
}
.info {
background-color: #2196f3;
}
.success {
background-color: #62a39e;
}
.red {
background-color: #e95358;
}
.smSize {
height: 200px;
}
</style>
</head>
<body>
<div id="app">
<h1>App</h1>
<button @click="display">Click</button>
<button @click="other">Click other</button>
<alert-modal ref="chat-modal"></alert-modal>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
var template = `
<div class="shadow" v-show="showModal">
<div class="modal" :class="{'smSize': otherText.small || small}">
<div class="header">{{ otherText.title || title}}</div>
<div class="body">
<slot></slot>
</div>
<div class="footer">
<div class="item success" ref="sure" v-show="otherText.sureText || sureText">{{ otherText.sureText || sureText }}</div>
<div class="item red" ref="cancel" v-show="otherText.cancelText || cancelText">{{ otherText.cancelText || cancelText }}</div>
</div>
</div>
</div>
`;
var vm = {
template: template,
data() {
return {
otherText: {
sureText: "确认",
cancelText: "取消",
title: "标题",
small: true
},
showModal: false
};
},
methods: {
openModal(otherText) {
this.otherText = { ...this.otherText, ...otherText };
this.showModal = true;
var pms = new Promise((resolve, reject) => {
this.$refs["sure"].addEventListener("click", () => {
this.showModal = false;
resolve("点击了确定");
});
this.$refs["cancel"].addEventListener("click", () => {
this.showModal = false;
reject("点击了取消");
});
});
return pms;
}
}
};
var tpl = `
<div class="shadow">
<div class="modal">
<div class="header">{{ title }}</div>
<div class="body">
{{content}}
</div>
<div class="footer">
<div class="item success" @click="handleConfirm">{{ sureText }}</div>
<div class="item red" @click="handleCancel">{{ cancelText }}</div>
</div>
</div>
</div>
`;
var Toast = Vue.extend({
template: tpl,
data() {
return {
title: "标题",
content: "",
sureText: "确认",
cancelText: "取消"
};
},
methods: {
handleConfirm() {
this.remove();
this.confirm && this.confirm();
},
handleCancel() {
this.remove();
this.cancel && this.cancel();
},
remove() {
var doc = document.body;
doc.removeChild(this.$el);
}
}
});
var showToast = function(options) {
options = Object.assign({}, options);
const instance = new Toast({
data: options
});
let doc = document.body;
instance.$mount();
doc.appendChild(instance.$el);
return instance;
};
Vue.prototype.$toast = showToast;
new Vue({
el: "#app",
components: {
"alert-modal": vm
},
methods: {
display() {
this.$refs["chat-modal"]
.openModal({
title: "弹窗标题",
sureText: "确认",
cancelText: "取消"
})
.then(
res => {
//点击确认的回调
console.log("确认", res);
},
res => {
//点击取消的回调
console.log("取消 ", res);
}
);
},
other() {
this.$toast({
title: "弹窗标题",
content: "123131"
});
}
}
});
</script>
</body>
</html>
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