修复 select 中 option 内容出现双引号时的异常显示问题

src/modules/form.js

@@ -1,20 +1,20 @@
 /**
  * form 表单组件
- * MIT Licensed
  */
  
-layui.define('layer', function(exports){
+layui.define(['layer', 'util'], function(exports){
   "use strict";
   
-  var $ = layui.$
-  ,layer = layui.layer
-  ,hint = layui.hint()
-  ,device = layui.device()
+  var $ = layui.$;
+  var layer = layui.layer;
+  var util = layui.util;
+  var hint = layui.hint();
+  var device = layui.device();
   
-  ,MOD_NAME = 'form', ELEM = '.layui-form', THIS = 'layui-this'
-  ,SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled'
+  var MOD_NAME = 'form', ELEM = '.layui-form', THIS = 'layui-this';
+  var SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled';
   
-  ,Form = function(){
+  var Form = function(){
     this.config = {
       verify: {
         required: [
@@ -357,7 +357,7 @@ layui.define('layer', function(exports){
               var text = othis.text();
 
               // 是否区分大小写
-              if(laySearch !== 'exact'){
+              if(laySearch !== 'cs'){
                 text = text.toLowerCase();
                 value = value.toLowerCase();
               }
@@ -477,8 +477,8 @@ layui.define('layer', function(exports){
           var reElem = $(['<div class="'+ (isSearch ? '' : 'layui-unselect ') + CLASS 
           ,(disabled ? ' layui-select-disabled' : '') +'">'
             ,'<div class="'+ TITLE +'">'
-              ,('<input type="text" placeholder="'+ $.trim(placeholder) +'" '
-                +('value="'+ $.trim(value ? selected.html() : '') +'"') //默认值
+              ,('<input type="text" placeholder="'+ util.escape($.trim(placeholder)) +'" '
+                +('value="'+ util.escape($.trim(value ? selected.html() : '')) +'"') // 默认值
                 +((!disabled && isSearch) ? '' : ' readonly') // 是否开启搜索
                 +' class="layui-input'
                 +(isSearch ? '' : ' layui-unselect') 
@@ -493,7 +493,7 @@ layui.define('layer', function(exports){
                 } else if(item.tagName.toLowerCase() === 'optgroup'){
                   arr.push('<dt>'+ item.label +'</dt>'); 
                 } else {
-                  arr.push('<dd lay-value="'+ item.value +'" class="'+ (value === item.value ?  THIS : '') + (item.disabled ? (' '+DISABLED) : '') +'">'+ $.trim(item.innerHTML) +'</dd>');
+                  arr.push('<dd lay-value="'+ util.escape(item.value) +'" class="'+ (value === item.value ?  THIS : '') + (item.disabled ? (' '+DISABLED) : '') +'">'+ $.trim(item.innerHTML) +'</dd>');
                 }
               });
               arr.length === 0 && arr.push('<dd lay-value="" class="'+ DISABLED +'">没有选项</dd>');