以下是代码的简单实例，有需要可以自己研究使用，其实蛮简单的：
/* dialog */
document.querySelector('#alertBtn').addEventListener('click', function () {
_weui2.default.alert('自定义标题的alert', function () {
console.log('ok');
}, {
title: '自定义标题'
});
});
/* confirm */
document.querySelector('#confirmBtn').addEventListener('click', function () {
_weui2.default.confirm('自定义标题的confirm', function () {
console.log('yes');
}, function () {
console.log('no');
}, {
title: '自定义标题'
});
});
/* toast */
document.querySelector('#toastBtn').addEventListener('click', function () {
_weui2.default.toast('操作成功', {
duration: 3000,
className: "bears"
});
});
/* loading */
document.querySelector('#loadingBtn').addEventListener('click', function () {
var loading = _weui2.default.loading('loading');
setTimeout(function () {
loading.hide();
}, 3000);
});
/* actionSheet */
document.querySelector('#actionSheetBtn').addEventListener('click', function () {
_weui2.default.actionSheet([{
label: '拍照',
onClick: function onClick() {
console.log('拍照');
}
}, {
label: '从相册选择',
onClick: function onClick() {
console.log('从相册选择');
}
}, {
label: '其他',
onClick: function onClick() {
console.log('其他');
}
}], [{
label: '取消',
onClick: function onClick() {
console.log('取消');
}
}], {
className: "custom-classname"
});
});
/* topTips */
document.querySelector('#topTipsBtn').addEventListener('click', function () {
_weui2.default.topTips('请填写正确的字段', {
duration: 3000,
className: "custom-classname",
callback: function callback() {
console.log('close');
}
});
});
/* picker */
// 普通选择器
document.querySelector('#pickerBtn').addEventListener('click', function () {
_weui2.default.picker([{
label: '飞机票',
value: 0
}, {
label: '火车票(disabled)',
disabled: true,
value: 1
}, {
label: '的士票(disabled)',
disabled: true,
value: 2
}, {
label: '住宿费',
value: 3
}, {
label: '礼品费',
value: 11
}, {
label: '活动费',
value: 5
}, {
label: '通讯费',
value: 6
}, {
label: '补助',
value: 7
}, {
label: '通讯费',
value: 8
}, {
label: '其他',
value: 9
}], {
defaultValue: [11],
className: 'custom-classname',
onChange: function onChange(result) {
//console.log(item, index);
console.log(result);
},
onConfirm: function onConfirm(result) {
console.log(result);
},
id: 'picker'
});
});
// 时间选择器
document.querySelector('#datePickerBtn').addEventListener('click', function () {
_weui2.default.datePicker({
start: '2016-12-29',
end: '2030-12-29',
/**
* https://zh.wikipedia.org/wiki/Cron
* cron 表达式后三位
* 示例：
* * * * 每天
* 5 * * 每个月的5日
* 1-10 * * 每个月的前10日
* 1,5,10 * * 每个月的1号、5号、10号
* *\/2 * * 每个月的 1、3、5、7...日，注意写的时候斜杠“/”前面没有反斜杠“\”，这是因为是注释所以需要转义
* * 2 0 2月的每个周日
* * * 0,6 每个周末
* * * 3 每周三
*/
cron: '* */2 0',
defaultValue: [2017, 7, 9],
onChange: function onChange(result) {
console.log(result);
},
onConfirm: function onConfirm(result) {
console.log(result);
},
id: 'datePicker'
});
});
// 多列选择器
document.querySelector('#multiPickerBtn').addEventListener('click', function () {
_weui2.default.picker([{
label: '1',
value: '1'
}, {
label: '2',
value: '2'
}, {
label: '3',
value: '3'
}], [{
label: 'A',
value: 'A'
}, {
label: 'B',
value: 'B'
}, {
label: 'C',
value: 'C'
}], {
defaultValue: ['3', 'A'],
onChange: function onChange(result) {
console.log(result);
},
onConfirm: function onConfirm(result) {
console.log(result);
},
id: 'multiPickerBtn'
});
});
// 级联选择器
document.querySelector('#cascadePickerBtn').addEventListener('click', function () {
_weui2.default.picker([{
label: '广东',
value: 0,
children: [{
label: '广州',
value: 0,
children: [{
label: '海珠',
value: 0
}, {
label: '番禺',
value: 1
}]
}, {
label: '佛山',
value: 1,
children: [{
label: '禅城',
value: 0
}, {
label: '南海',
value: 1
}]
}]
}, {
label: '广西',
value: 1,
children: [{
label: '南宁',
value: 0,
children: [{
label: '青秀',
value: 0
}, {
label: '兴宁',
value: 1
}]
}, {
label: '桂林',
value: 1,
children: [{
label: '象山',
value: 0
}, {
label: '秀峰',
value: 1
}]
}]
}], {
depth: 3,
defaultValue: [0, 1, 1],
onChange: function onChange(result) {
console.log(result);
},
onConfirm: function onConfirm(result) {
console.log(result);
},
id: 'cascadePicker'
});
});
/* searchbar */
_weui2.default.searchBar('#searchBar');
/* slider 因为需要获取长度，所以必须要在slider显示的时候才调用weui.slider*/
var isSetSlider = false;
function setSlider() {
if (isSetSlider) return;
isSetSlider = true;
// 普通slider
var sliderValue = document.getElementById("sliderValue");
_weui2.default.slider('#slider', {
defaultValue: 50,
onChange: function onChange(percent) {
sliderValue.innerHTML = Math.round(percent);
console.log(percent);
}
});
// 带step的slider
var sliderStepValue = document.getElementById("sliderStepValue");
_weui2.default.slider('#sliderStep', {
step: 10,
defaultValue: 40,
onChange: function onChange(percent) {
sliderStepValue.innerHTML = Math.round(percent);
console.log(percent);
}
});
// 分块的slider
var sliderBlockValue = document.getElementById("sliderBlockValue");
_weui2.default.slider('#sliderBlock', {
step: 100 / 3,
defaultValue: 33.333,
onChange: function onChange(percent) {
sliderBlockValue.innerHTML = Math.round(percent);
console.log(percent);
}
});
}
/* tab */
_weui2.default.tab('#tab', {
defaultIndex: 0,
onChange: function onChange(index) {
console.log(index);
if (index == 3) {
setSlider(); // 设置slider
}
}
});
/* form */
// 约定正则
var regexp = {
regexp: {
IDNUM: /(?:^\d{15}$)|(?:^\d{18}$)|^\d{17}[\dXx]$/,
VCODE: /^.{4}$/
}
};
// 失去焦点时检测
_weui2.default.form.checkIfBlur('#form', regexp);
// 表单提交
document.querySelector('#formSubmitBtn').addEventListener('click', function () {
_weui2.default.form.validate('#form', function (error) {
console.log(error);
if (!error) {
var loading = _weui2.default.loading('提交中...');
setTimeout(function () {
loading.hide();
_weui2.default.toast('提交成功', 3000);
}, 1500);
}
}, regexp);
});
/* 图片自动上传 */
var uploadCount = 0,
uploadList = [];
var uploadCountDom = document.getElementById("uploadCount");
_weui2.default.uploader('#uploader', {
url: 'http://' + location.hostname + ':8002/upload',
auto: true,
type: 'file',
fileVal: 'fileVal',
compress: {
width: 1600,
height: 1600,
quality: .8
},
onBeforeQueued: function onBeforeQueued(files) {
if (["image/jpg", "image/jpeg", "image/png", "image/gif"].indexOf(this.type) < 0) {
_weui2.default.alert('请上传图片');
return false;
}
if (this.size > 10 * 1024 * 1024) {
_weui2.default.alert('请上传不超过10M的图片');
return false;
}
if (files.length > 5) {
// 防止一下子选中过多文件
_weui2.default.alert('最多只能上传5张图片，请重新选择');
return false;
}
if (uploadCount + 1 > 5) {
_weui2.default.alert('最多只能上传5张图片');
return false;
}
++uploadCount;
uploadCountDom.innerHTML = uploadCount;
},
onQueued: function onQueued() {
uploadList.push(this);
console.log(this);
},
onBeforeSend: function onBeforeSend(data, headers) {
console.log(this, data, headers);
// $.extend(data, { test: 1 }); // 可以扩展此对象来控制上传参数
// $.extend(headers, { Origin: 'http://127.0.0.1' }); // 可以扩展此对象来控制上传头部
// return false; // 阻止文件上传
},
onProgress: function onProgress(procent) {
console.log(this, procent);
},
onSuccess: function onSuccess(ret) {
console.log(this, ret);
},
onError: function onError(err) {
console.log(this, err);
}
});
// 缩略图预览
document.querySelector('#uploaderFiles').addEventListener('click', function (e) {
var target = e.target;
while (!target.classList.contains('weui-uploader__file') && target) {
target = target.parentNode;
}
if (!target) return;
var url = target.getAttribute('style') || '';
var id = target.getAttribute('data-id');
if (url) {
url = url.match(/url\((.*?)\)/)[1].replace(/"/g, '');
}
var gallery = _weui2.default.gallery(url, {
className: 'custom-name',
onDelete: function onDelete() {
_weui2.default.confirm('确定删除该图片？', function () {
--uploadCount;
uploadCountDom.innerHTML = uploadCount;
for (var i = 0, len = uploadList.length; i < len; ++i) {
var file = uploadList[i];
if (file.id == id) {
file.stop();
break;
}
}
target.remove();
gallery.hide();
});
}
});
});
/* 图片手动上传 */
var uploadCustomFileList = [];
// 这里是简单的调用，其余api请参考文档
_weui2.default.uploader('#uploaderCustom', {
url: 'http://localhost:8002/upload',
auto: false,
onQueued: function onQueued() {
uploadCustomFileList.push(this);
}
});
// 手动上传按钮
document.getElementById("uploaderCustomBtn").addEventListener('click', function () {
uploadCustomFileList.forEach(function (file) {
file.upload();
});
});
// 缩略图预览
document.querySelector('#uploaderCustomFiles').addEventListener('click', function (e) {
var target = e.target;
while (!target.classList.contains('weui-uploader__file') && target) {
target = target.parentNode;
}
if (!target) return;
var url = target.getAttribute('style') || '';
var id = target.getAttribute('data-id');
if (url) {
url = url.match(/url\((.*?)\)/)[1].replace(/"/g, '');
}
var gallery = _weui2.default.gallery(url, {
onDelete: function onDelete() {
_weui2.default.confirm('确定删除该图片？', function () {
var index;
for (var i = 0, len = uploadCustomFileList.length; i < len; ++i) {
var file = uploadCustomFileList[i];
if (file.id == id) {
index = i;
break;
}
}
if (index) uploadCustomFileList.splice(index, 1);
target.remove();
gallery.hide();
});
}
});
});
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本文标题：转：WEUI控件JS用法简述
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