bootstrap实现多个下拉框同时搜索的实例

时间:2021-05-20

1、第一个下拉框代码

<div class="btn-group col-sm-3 col-xs-6 util-btn-margin-bottom-5 quick-search"> <!--快速查询--> <div class="input-group"> <span class="input-group-addon"><i class="fa fa-search"></i></span> <select data-filter-type="2" name="copyfrom" class="form-control select2" data-validate="notempty" style="visibility: hidden;" data-field="name" data-placeholder="搜索数据资源"> <option value="">请选择数据资源</option> <optgroup label="UNESCO二类中心"> <#list data.copyfromList as entity> <#if (entity.type?? && entity.type == '1')> <option value="${entity.alias!}" <#if (param.copyfrom?? && param.copyfrom == entity.alias)>selected</#if>>${entity.alias!}</option> </#if> </#list> </optgroup> <optgroup label="科技动态与进展"> <#list data.copyfromList as entity> <#if (entity.type?? && entity.type == '7')> <option value="${entity.alias!}" <#if (param.copyfrom?? && param.copyfrom == entity.alias)>selected</#if>>${entity.alias!}</option> </#if> </#list> </optgroup> <optgroup label="其他"> <#list data.copyfromList as entity> <#if (entity.type?? && entity.type == '8')> <option value="${entity.alias!}" <#if (param.copyfrom?? && param.copyfrom == entity.alias)>selected</#if>>${entity.alias!}</option> </#if> </#list> </optgroup> </select> </div> </div>

2、第二个下拉框代码

<div class="btn-group col-sm-3 col-xs-6 util-btn-margin-bottom-5 quick-search"> <!--快速查询--> <div class="input-group"> <span class="input-group-addon"><i class="fa fa-search"></i></span> <select data-filter-type="2" name="cid" class="form-control select2" data-validate="notempty" style="visibility: hidden;" data-field="name" data-placeholder="搜索栏目名称"> <option value=""></option> <#list data.categories as entity> <option value="${entity.id}" <#if (param.cid?? && param.cid == entity.id)>selected</#if>>${entity.id} - ${entity.name}</option> </#list> </select> </div> </div>

3、后台js代码(url 参数整理)

bindEvents:function(){    var self = this, dom = self.element;    $('select[name="copyfrom"]', dom).change(function(event){    self.params.copyfrom = $(this).val();    var url = self.formatParams(self.params);    window.location.href = "cekasp_article.htm" + url;  });    $('select[name="cid"]', dom).change(function(event){    self.params.cid = $(this).val();    var url = self.formatParams(self.params);    window.location.href = "cekasp_article.htm" + url;  }); }  formatParams:function(params){    var self = this;    var url = "";    for(var param in params){    if(params[param]){      url += param + "=" + params[param] + "&";    }  }    if(url.length > 0){      url = "?" + url.substring(0,url.length-1);  }    return url;  }

4、后台java部分代码(接收参数,然后过滤器根据参数得到想要的结果)

String categoryId = request.optString("cid");  if (!ValidateUtil.isNull(categoryId)) {  // 加载栏目信息   JSONObject jsonCategory = toJSONObject(adminService.loadById(CekaspCategory.class, categoryId));    response.put("category", jsonCategory);    param.addFilter("id", FilterType.IN, articleIdList, 1);  }  String copyfrom = request.optString("copyfrom");  if (!ValidateUtil.isNull(copyfrom)) {    param.addFilter("copyfrom", FilterType.EQUALS, copyfrom); }List<CekaspArticle> articleList = adminService.list(CekaspArticle.class,param);

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