是angularjs版本的问题,采用1.3.6版本。
AngularJS诞生于2009年,由Misko Hevery 等人创建,后为Google所收购。是一款优秀的前端JS框架,已经被用于Google的多款产品当中。AngularJS有着诸多特性,最为核心的是:MVC、模块化、自动化双向数据绑定、语义化标签、依赖注入等等。
AngularJS 是一个 JavaScript框架。它是一个以 JavaScript 编写的库。它可通过 <script>标签添加到HTML 页面。
AngularJS 通过 指令 扩展了 HTML,且通过 表达式 绑定数据到 HTML。
AngularJS 是以一个 JavaScript 文件形式发布的,可通过 script 标签添加到网页中。
js代码
/*** 带筛选功能的下拉框
* 使用方法 <select ngc-select-search name="select1" ng-options="">
* 说明[ select 一定要有name,ng-options 属性]
*/
.directive('ngcSelectSearch', function($animate, $compile, $parse) {
function parseOptions(optionsExp, element, scope) {
// ngOptions里的正则
var NG_OPTIONS_REGEXP = /^\s*([\s\S]+?)(?:\s+as\s+([\s\S]+?))?(?:\s+group\s+by\s+([\s\S]+?))?(?:\s+disable\s+when\s+([\s\S]+?))?\s+for\s+(?:([\$\w][\$\w]*)|(?:\(\s*([\$\w][\$\w]*)\s*,\s*([\$\w][\$\w]*)\s*\)))\s+in\s+([\s\S]+?)(?:\s+track\s+by\s+([\s\S]+?))?$/
var match = optionsExp.match(NG_OPTIONS_REGEXP)
if (!(match)) {
console.log('ng-options 表达式有误')
}
var valueName = match[5] || match[7]
var keyName = match[6]
var displayFn = $parse(match[2])
var keyFn = $parse(match[1])
var valuesFn = $parse(match[8])
var labelArray = [],
idArray = [],
optionValues = []
scope.$watch(match[8], function(newValue, oldValue) {
if (newValue && newValue.length > 0) {
optionValues = valuesFn(scope) || []
labelArray = []
idArray = []
for (var index = 0, l = optionValues.length index < l index++) {
var it = optionValues[index]
if (match[2] && match[1]) {
var localIt = {}
localIt[valueName] = it
var label = displayFn(scope, localIt)
var dataId = keyFn(scope, localIt)
labelArray.push(label)
idArray.push(dataId)
}
}
scope.options = {
'optionValues': optionValues,
'labelArray': labelArray,
'idArray': idArray
}
}
})
}
return {
restrict: 'A',
require: ['ngModel'],
priority: 100,
replace: false,
scope: true,
template: '<div class="chose-container">' +
'<div class="chose-single"><span class="j-view"></span><i class="glyphicon glyphicon-remove"></i></div>' +
'<div class="chose-drop chose-hide j-drop">' +
'<div class="chose-search">' +
'<input class="j-key" type="text" autocomplete="off">' +
'</div>' +
'<ul class="chose-result">' +
// '<li ng-repeat="'+repeatTempl+'" data-id="'+keyTempl+'" >{{'+ valueTempl+'}}</li>'+
'</ul>' +
'</div>' +
'</div>',
link: {
pre: function selectSearchPreLink(scope, element, attr, ctrls) {
var tmplNode = $(this.template).first()
var modelName = attr.ngModel,
name = attr.name? attr.name:('def'+Date.now())
tmplNode.attr('id', name + '_chosecontianer')
$animate.enter(tmplNode, element.parent(), element)
},
post: function selectSearchPostLink(scope, element, attr, ctrls) {
var choseNode = element.next() //$('#'+attr.name +'_chosecontianer')
choseNode.addClass(attr.class)
element.addClass('chose-hide')
// 当前选中项
var ngModelCtrl = ctrls[0]
if (!ngModelCtrl || !attr.name) return
parseOptions(attr.ngOptions, element, scope)
var rs = {}
function setView() {
var currentKey = ngModelCtrl.$modelValue
if (isNaN(currentKey) || !currentKey) {
currentKey = ''
choseNode.find('.j-view:first').text('请选择')
choseNode.find('i').addClass('chose-hide')
}
if ((currentKey + '').length > 0) {
for (var i = 0, l = rs.idArray.length i < l i++) {
if (rs.idArray[i] == currentKey) {
choseNode.find('.j-view:first').text(rs.labelArray[i])
choseNode.find('i').removeClass('chose-hide')
break
}
}
}
}
function setViewAndData() {
if (!scope.options) {
return
}
rs = scope.options
setView()
}
scope.$watchCollection('options', setViewAndData)
scope.$watch(attr.ngModel, setView)
function getListNodes(value) {
var nodes = []
value = $.trim(value)
for (var i = 0, l = rs.labelArray.length i < l i++) {
if (rs.labelArray[i].indexOf(value) > -1) {
nodes.push($('<li>').data('id', rs.idArray[i]).text(rs.labelArray[i]))
}
}
return nodes
}
choseNode.on('keyup', '.j-key', function() {
// 搜索输入框keyup,重新筛选列表
var value = $(this).val()
choseNode.find('ul:first').empty().append(getListNodes(value))
return false
}).on('click', function() {
choseNode.find('.j-drop').removeClass('chose-hide')
if (choseNode.find('.j-view:first').text() != '请选择') {
choseNode.find('i').removeClass('chose-hide')
}
choseNode.find('ul:first').empty().append(getListNodes(choseNode.find('.j-key').val()))
return false
}).on('click', 'ul>li', function() {
var _this = $(this)
ngModelCtrl.$setViewValue(_this.data('id'))
ngModelCtrl.$render()
choseNode.find('.j-drop').addClass('chose-hide')
return false
}).on('click', 'i', function() {
ngModelCtrl.$setViewValue('')
ngModelCtrl.$render()
choseNode.find('.j-view:first').text('请选择')
return false
})
$(document).on("click", function() {
$('.j-drop').addClass('chose-hide')
choseNode.find('i').addClass('chose-hide')
return false
})
}
}
}
})
css代码(用less写的,以下是编译后的)
.chose-hide {position: absolute!important
top: -999em !important
}
.chose-container {
border: none!important
float: left
margin-right: 40px
padding: 0!important
position: relative
}
.chose-container .chose-single {
padding: 6px 12px
color: #333
width: 100%
border: 1px solid #eee
display: inline-block
height: 30px
}
.chose-container .chose-single::after {
content: ''
position: absolute
border-width: 6px 3px
border-style: solid
/* border-top-color: transparent */
border-left-color: transparent
border-right-color: transparent
border-bottom-color: transparent
right: 8px
top: 12px
}
.chose-container .chose-single i {
width: 12px
float: right
right: 8px
font-size: 12px
height: 12px
background-color: #eee
}
.chose-container .chose-drop {
width: 195px
position: absolute
border: 1px solid #eee
z-index: 1000
background-color: #fff
}
.chose-container .chose-search input[type='text'] {
margin: 0
padding-left: 12px
width: 100%
height: 30px
border: 1px solid #ccc
float: none
}
.chose-container .chose-result {
max-height: 370px
overflow-y: scroll
overflow-x: hidden
}
.chose-container .chose-result li {
padding: 5px 12px
list-style-type: none
}
.chose-container .chose-result li:hover {
background-color: #e1e2e7
}
1.3 使用及效果
<select ngc-select-search class="common-select" ng-model="aa.b" ng-options="obj.countryId as obj.countryCnName for obj in vm.countries" name="country">
<option value="">请选择</option>
</select>
欢迎分享,转载请注明来源:内存溢出
评论列表(0条)