<p style="text-align: left">此插件使用angular.js、JQuery实现。(jQuery的引入需在angular 之前)
用户可以 在输入框输入数据后验证 必填项、整数型、浮点型验证。
如果在form 里面的输入框验证,可以点击 提交按钮后,实现 必填项验证。
效果图如下:
(1)验证未通过时,背景标红等样式为
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input.ng-invalid,select.ng-invalid {
background-color: #ee82ee !important;
border: 1px solid #CCC;
}
.qtip {
position: absolute;
max-width: 260px;
display: none;
min-width: 50px;
font-size: 10.5px;
line-height: 12px;
direction: ltr;
}
.qtip-content {
position: relative;
padding: 5px 9px;
overflow: hidden;
text-align: left;
word-wrap: break-word;
}
.qtip-rounded,.qtip-tipsy {
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
border-radius: 5px;
}
.qtipmodal-ie6fix {
position: absolute !important;
}
.
Box-shadow-tips {
background-color: #F63;
border-color: #F5A88F;
color: white;
-moz-
Box-shadow: 2px 2px 2px #969696;
-webkit-
Box-shaow: 2px 2px 2px #969696;
Box-shadow: 2px 2px 2px #969696;
}
因为angular.js 内置验证未通过时,会自动为 标签 增加 .ng-invalid 样式,因为这里重写此样式
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input.ng-invalid,select.ng-invalid {
background-color: #ee82ee !important;
border: 1px solid #CCC;
}
(2)HTML 代码如下
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(3)此插件使用 directive myValid 实现
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app.directive('myValid',['$parse','uiTipsFactory','uiValidFactory',function ($parse,tips,valid) {
var uiValidAttrIdName = 'ui-valid-id';
return {
restrict: 'A',require: 'ngModel',link: function (s
cope,el,attrs,ctrl) {
var validId = el.attr(uiValidAttrIdName);
if (!validId) {
validId = Math.guid();
el.attr(uiValidAttrIdName,validId);
}
var getRules = function () {
return attrs.myValid;
};
var lastOldRules;
var validFn = function (value,oldRules) {
var sp = '_';
var rules = getRules();
var r = valid.check(value,rules,s
cope,attrs.uiValidTips);
if (lastOldRules && !oldRules) {
oldRules = lastOldRules;
}
if (r.flag && oldRules) {
rules = rules ? rules + ' ' + oldRules : oldRules;
}
if (rules) {
var arrInner = rules.split(' ');
var i = 0;
for (; i < arrInner.length; i++) {
var oneRule = arrInner[i];
if (!oneRule.trim()) {
continue;
}
ctrl.$setValidity(attrs.ngModel + sp + oneRule,r.flag ? true : oneRule != r.rule);
}
}
if (!r.flag) {
tips.on(el,r.msg);
} else {
tips.off(el);
}
return r.flag;
};
var init = function () {
var rules = getRules();
if (!rules) {
return;
}
var parsers = ctrl.$parsers;
if (parsers && parsers.length > 0) {
parsers.clean();
}
parsers.unshift(function (value) {
return validFn(value) ? value : undefined;
});
};
s
cope.$watch(attrs.ngModel,function (newVal,oldVal) {
if (newVal === oldVal) {
return;
}
if (ctrl.$modelValue != undefined && (ctrl.$invalid || el.hasClass('ng-invalid'))) {
validFn(ctrl.$modelValue);
}
});
s
cope.$watch(getRules,function (newRules,oldRules) {
init();
lastOldRules = oldRules;
if (ctrl.$modelValue === undefined || ctrl.$modelValue === null) {
var needValid = false;
el.hasClass('ng-invalid');
var isValNaN = ctrl.$viewValue !== ctrl.$viewValue;
if (ctrl.$invalid || (ctrl.$viewValue !== undefined && !isValNaN)) {
needValid = true;
}
if (needValid) {
ctrl.$setViewValue(ctrl.$viewValue);
}
} else {
if (!ctrl.$dirty && attrs.dirtyCheck) {
console.log('----');
} else {
validFn(ctrl.$modelValue,oldRules);
}
}
});
}
}
}]);
通过 监听 attrs.ngModel,验证规则 rules ,ctrl.$parser 来实现 输入框内容改变的响应。
一旦使用此directive,则动态为当前输入框添加ID,以便在 验证通过后,改变输入框的验证背景信息。
(4)验证逻辑处理 uiValidFactory
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app.factory('uiValidFactory',tips) {
return {
check: function (val,$s
cope,defaultTips,extendP
aram) {
if (!rules) {
return {
flag: true
};
}
var rulesArr = rules.split(' '),isBlank = val === null || val === undefined || val === '' || ('' + val === '');
//如果不是必填项 且没有输入值 则清除
提示框
if ($.inArray('r',rulesArr) === -1 && isBlank) {
return {
flag: true
}
}
var i = 0,len = rulesArr.length;
for (; i < len; i++) {
var rule = rulesArr[i];
if (!rule) {
continue;
}
var flag = true;
if ('r' === rule) {
//如果是必填项,有值 返回true
flag = !isBlank;
} else if (rule.contains(':')) {
//如果校验规则是 fn:ctrl.certCheck
flag = this.checkRule(val,rule.split(/:/),extendP
aram);
} else {
//校验 规则是 int 用正则匹配 数字 邮箱 长度
var pat = this.pats[rule];
if (pat instanceof RegExp) {
if (angular.i
sstring(val)) {
flag = this.mat(val,pat);
}
} else if (angular.isFunction(pat)) {
flag = pat(val);
} else {
flag = false;
}
}
//这是干什么的呢
if (angular.i
sstring(flag)) {
return {
flag: false,msg: flag,rule: rule
}
}
if (flag === false) {
var msg = this.getMsg(rule,defaultTips) || this.getMsg('tips.valid');
console.log(msg);
return {
flag: false,msg: msg,rule: rule
}
}
}
return {
flag: true
}
},checkRule: function (val,ruleArr,extendP
aram) {
//ruleArr fn:certCheck
var rule = ruleArr[0];
if (rule === 'fn') {
fnName = ruleArr[1];//指定被调
函数的名字 certCheck
var fn = $parse(fnName)($s
cope);
if (!fn) {
return true;
}
return fn.call($s
cope,val,extendP
aram);
} else {
return true;
}
},checkValidForm: function (formName) {
//只检查必填项
//使用
属性筛选器 获得里面所有的元素
var formContext = $('form[name="{0}"],[ng-form="{0}"],[data-ng-form="{0}"]'.format(formName)),validList = formContext.find('[my-valid]');//validList 不是数组,是伪数组
if (!validList.length) {
return;
}
var that = this,validFlags = [];
validList.each(function () {
var ele = $(this),val = ele.val(),ruleStr = ele.attr('my-valid');
if (!ruleStr) {
return true;
}
if (angular.i
sstring(val)) {
val = val.trim();
}
var validRules = ruleStr.split(' ');
if ($.inArray('r',validRules) != -1 && !val) {
var modelValue = ele.attr('ng-model') || ele.attr('data-ng-model');
validFlags.push(modelValue);
tips.on(ele,that.getMsg('r'));
}
}
);
return validFlags;
},mat: function (val,pat) {
if (!pat) {
return;
}
return pat.test(val);
},getMsg: function (rule,tips) {
tips = tips || '';
//可以在界面上直接写 tips
if (tips && tips.contains(':')) {
return tips;
}
var msg = this.msgs[rule];
if (msg) {
var p
arams0 = tips.contains(':') ? tips.split(/:/)[0] : '';
var p
arams1 = '';
if (rule.startsWith('min') || rule.startsWith('max')) {
var ruleArr = rule.split(/:/);
p
arams1 = ruleArr[ruleArr.length - 1];
}
return msg.format(p
arams0,p
arams1);
} else {
}
},regPat: function (code,pat,msg) {
if (this.pat[code]) {
return;
}
this.pats[code] = pat;
this.msgs[code] = msg;
},msgs: {
'r': '必填','int': '{0}必须为整数'
},pats: {
'int': /^[\-\+]?([0-9]+)$/
}
}
}
])
;
通过获取输入框 ele.myValid 验证规则,
1、如果是必填,则返回 标红此输入框,鼠标移上,则显示 验证信息 “必填””。
2、如果是整数、浮点型等验证,则通过 正则表达式进行验证。
3、如果是最大(max)、最小(min),则自定义逻辑。
4、如果是 fn 验证,则根据 对应controller中函数进行验证。
5、用户点击提交按钮,则 判断是否必填项,验证不通过,对应元素背景标红。
(5) 验证不通过,提示Factory---uiTipsFactory
<div class="jb51code">
<pre class="brush:js;">
app.factory('uiTipsFactory',function () {
return {
filterClass: function (ele,invalid) {
if (invalid) {
//如果验证不通过
ele.removeClass('ng-valid').removeClass('ng-pristine').addClass('ng-invalid').addClass('ng-dirty');
} else {
ele.removeClass('ng-invalid').addClass('ng-valid');
}
},on: function (ele,msg) {
var lastTip = ele.data('last-tip');
if (lastTip && lastTip === msg) {
return;
}
ele.data('last-tip',msg);
this.filterClass(ele,true);
var offset = ele.offset();
if (!offset.top && !offset.left && ele.is('hidden')) {
offset = ele.show().offset();
}
var id = ele.attr('ui-valid-id');
if (!id) {
id = Math.guid();
ele.attr('ui-valid-id',id);
}
if (id.contains('.')) {
id = id.replace(/./g,'_');
}
var top = offset.top,left = offset.left;
var getTips = function () {
var tip = $('#vtip' + id);
if (_tip.length) {
_tip.html(msg).css({
'display': 'none','top': top + 'px','left': left + ele.width() + 10 + 'px'
});
} else {
var html = '<div id="vtip_' + id + '" class="vtip qtip qtip-rounded Box-shadow-tips">' +
'<div class="qtip-content">' + msg + '