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57 lines
2.3 KiB
JavaScript
57 lines
2.3 KiB
JavaScript
5 years ago
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//表单
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Cute.form = { //表单
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bindDefault: function(obj) {
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if(!("placeholder" in document.createElement("input"))){
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$(obj || "input[placeholder],textarea[placeholder]").on('focus.bindDefault', function() {
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if (this.value == this.getAttribute("placeholder")) {
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$(this).removeClass("default");
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this.value = '';
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}
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if ($(this).attr("ntype") == "password"){
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this.type = "text";
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//隐藏错误提示
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var err_obj = $(this).next('.Validform_checktip');
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err_obj.length > 0 && err_obj.hide();
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}
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}).on('blur.bindDefault',function() {
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if (this.value == '') {
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$(this).addClass("default");
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var err_obj = $(this).next('.Validform_checktip');
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err_obj.length > 0 && err_obj.show();
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this.value = this.getAttribute("placeholder");
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}
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}).val(function(){
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if(this.defaultValue != '') return this.defaultValue;
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if(this.type == "password") this.setAttribute("placeholder","••••••");
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$(this).addClass("default");
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this.defaultValue = this.getAttribute("placeholder");
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return this.getAttribute("placeholder");
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});
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$('form').on('submit',function(){
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$('input:text,textarea,input:password').each(function(){
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if(this.value == this.getAttribute("placeholder")){
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this.value = '';
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}
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});
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});
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}
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},
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bindFocus: function(obj) {
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if(!("placeholder" in document.createElement("input"))){
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$(document.body).on("focus.bindFocus", obj || "input.text,textarea.textarea", function() {
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$(this).addClass("focus");
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}).on("blur.bindFocus", obj || "input.text,textarea.textarea", function() {
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$(this).removeClass("focus");
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});
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}
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},
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isInputNull: function(obj) {
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obj = $(obj);
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if (obj.length == 0) return false;
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var _value = obj.val().trim();
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if (_value == "" || (_value == obj[0].defaultValue && obj.hasClass("default"))) {
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return true;
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}
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return false;
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}
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};
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