BootStrap与Select2使用小结

(编辑：jimmy 日期: 2024/11/6 浏览：2)

这个select2组件的功能确实很强大，可以将图片放入到select里面随着文字一起显示。

组件的下载地址以及API说明地址：

1、Select2使用示例地址：https://select2.github.io/examples.html 、http://select2.github.io/select2/

2、Select2参数文档说明：https://select2.github.io/options.html

3、Select2源码：https://github.com/select2/select2

效果图：

BootStrap与Select2使用小结

HTML代码：

@{
 Layout = "~/Views/Shared/_Layout.cshtml";
}
<script src="/UploadFiles/2021-04-02/jquery-3.1.1.min.js">


    1、可搜索选项  





<select id="test_1" class="form-control">
  <optgroup label="Alaskan/Hawaiian Time Zone">
   <option value="AK" imgPath="https://select2.github.io/vendor/images/flags/ak.png">Alaska</option>
   <option value="HI" imgPath="https://select2.github.io/vendor/images/flags/hi.png">Hawaii</option>
  </optgroup>
  <optgroup label="Pacific Time Zone">
   <option value="CA" imgPath="https://select2.github.io/vendor/images/flags/ca.png">California</option>
   <option value="NV" imgPath="https://select2.github.io/vendor/images/flags/nv.png">Nevada</option>
   <option value="OR" imgPath="https://select2.github.io/vendor/images/flags/or.png">Oregon</option>
   <option value="WA" imgPath="https://select2.github.io/vendor/images/flags/wa.png">Washington</option>
  </optgroup>
  <optgroup label="Mountain Time Zone">
   <option value="AZ" imgPath="https://select2.github.io/vendor/images/flags/az.png">Arizona</option>
   <option value="CO" imgPath="https://select2.github.io/vendor/images/flags/co.png">Colorado</option>
   <option value="ID" imgPath="https://select2.github.io/vendor/images/flags/id.png">Idaho</option>
   <option value="MT" imgPath="https://select2.github.io/vendor/images/flags/mt.png">Montana</option>
   <option value="NE" imgPath="https://select2.github.io/vendor/images/flags/ne.png">Nebraska</option>
   <option value="NM" imgPath="https://select2.github.io/vendor/images/flags/nm.png">New Mexico</option>
   <option value="ND" imgPath="https://select2.github.io/vendor/images/flags/nd.png">North Dakota</option>
   <option value="UT" imgPath="https://select2.github.io/vendor/images/flags/ut.png">Utah</option>
   <option value="WY" imgPath="https://select2.github.io/vendor/images/flags/wy.png">Wyoming</option>
  </optgroup>
  <optgroup label="Central Time Zone">
   <option value="AL">Alabama</option>
   <option value="AR">Arkansas</option>
   <option value="IL">Illinois</option>
   <option value="IA">Iowa</option>
   <option value="KS">Kansas</option>
   <option value="KY">Kentucky</option>
   <option value="LA">Louisiana</option>
   <option value="MN">Minnesota</option>
   <option value="MS">Mississippi</option>
   <option value="MO">Missouri</option>
   <option value="OK">Oklahoma</option>
   <option value="SD">South Dakota</option>
   <option value="TX">Texas</option>
   <option value="TN">Tennessee</option>
   <option value="WI">Wisconsin</option>
  </optgroup>
  <optgroup label="Eastern Time Zone">
   <option value="CT">Connecticut</option>
   <option value="DE">Delaware</option>
   <option value="FL">Florida</option>
   <option value="GA">Georgia</option>
   <option value="IN">Indiana</option>
   <option value="ME">Maine</option>
   <option value="MD">Maryland</option>
   <option value="MA">Massachusetts</option>
   <option value="MI">Michigan</option>
   <option value="NH">New Hampshire</option>
   <option value="NJ">New Jersey</option>
   <option value="NY">New York</option>
   <option value="NC">North Carolina</option>
   <option value="OH">Ohio</option>
   <option value="PA">Pennsylvania</option>
   <option value="RI">Rhode Island</option>
   <option value="SC">South Carolina</option>
   <option value="VT">Vermont</option>
   <option value="VA">Virginia</option>
   <option value="WV">West Virginia</option>
  </optgroup>
 </select>
</article>
================================
<br/>





2、可搜索选项（有搜索关键字控制）





<article>
 <select id="test_2" class="form-control">
  <optgroup label="Alaskan/Hawaiian Time Zone">
   <option value="AK" imgPath="https://select2.github.io/vendor/images/flags/ak.png">Alaska</option>
   <option value="HI" imgPath="https://select2.github.io/vendor/images/flags/hi.png">Hawaii</option>
  </optgroup>
  <optgroup label="Pacific Time Zone">
   <option value="CA" imgPath="https://select2.github.io/vendor/images/flags/ca.png">California</option>
   <option value="NV" imgPath="https://select2.github.io/vendor/images/flags/nv.png">Nevada</option>
   <option value="OR" imgPath="https://select2.github.io/vendor/images/flags/or.png">Oregon</option>
   <option value="WA" imgPath="https://select2.github.io/vendor/images/flags/wa.png">Washington</option>
  </optgroup>
  <optgroup label="Mountain Time Zone">
   <option value="AZ" imgPath="https://select2.github.io/vendor/images/flags/az.png">Arizona</option>
   <option value="CO" imgPath="https://select2.github.io/vendor/images/flags/co.png">Colorado</option>
   <option value="ID" imgPath="https://select2.github.io/vendor/images/flags/id.png">Idaho</option>
   <option value="MT" imgPath="https://select2.github.io/vendor/images/flags/mt.png">Montana</option>
   <option value="NE" imgPath="https://select2.github.io/vendor/images/flags/ne.png">Nebraska</option>
   <option value="NM" imgPath="https://select2.github.io/vendor/images/flags/nm.png">New Mexico</option>
   <option value="ND" imgPath="https://select2.github.io/vendor/images/flags/nd.png">North Dakota</option>
   <option value="UT" imgPath="https://select2.github.io/vendor/images/flags/ut.png">Utah</option>
   <option value="WY" imgPath="https://select2.github.io/vendor/images/flags/wy.png">Wyoming</option>
  </optgroup>
  <optgroup label="Central Time Zone">
   <option value="AL">Alabama</option>
   <option value="AR">Arkansas</option>
   <option value="IL">Illinois</option>
   <option value="IA">Iowa</option>
   <option value="KS">Kansas</option>
   <option value="KY">Kentucky</option>
   <option value="LA">Louisiana</option>
   <option value="MN">Minnesota</option>
   <option value="MS">Mississippi</option>
   <option value="MO">Missouri</option>
   <option value="OK">Oklahoma</option>
   <option value="SD">South Dakota</option>
   <option value="TX">Texas</option>
   <option value="TN">Tennessee</option>
   <option value="WI">Wisconsin</option>
  </optgroup>
  <optgroup label="Eastern Time Zone">
   <option value="CT">Connecticut</option>
   <option value="DE">Delaware</option>
   <option value="FL">Florida</option>
   <option value="GA">Georgia</option>
   <option value="IN">Indiana</option>
   <option value="ME">Maine</option>
   <option value="MD">Maryland</option>
   <option value="MA">Massachusetts</option>
   <option value="MI">Michigan</option>
   <option value="NH">New Hampshire</option>
   <option value="NJ">New Jersey</option>
   <option value="NY">New York</option>
   <option value="NC">North Carolina</option>
   <option value="OH">Ohio</option>
   <option value="PA">Pennsylvania</option>
   <option value="RI">Rhode Island</option>
   <option value="SC">South Carolina</option>
   <option value="VT">Vermont</option>
   <option value="VA">Virginia</option>
   <option value="WV">West Virginia</option>
  </optgroup>
 </select>
</article>
===============================
<br/>





3、多选





<article>
 <select id="test_3" class="form-control js-example-placeholder-multiple js-states select2-hidden-accessible" multiple="multiple">
  <optgroup label="Alaskan/Hawaiian Time Zone">
   <option value="AK" imgPath="https://select2.github.io/vendor/images/flags/ak.png">Alaska</option>
   <option value="HI" imgPath="https://select2.github.io/vendor/images/flags/hi.png">Hawaii</option>
  </optgroup>
  <optgroup label="Pacific Time Zone">
   <option value="CA" imgPath="https://select2.github.io/vendor/images/flags/ca.png">California</option>
   <option value="NV" imgPath="https://select2.github.io/vendor/images/flags/nv.png">Nevada</option>
   <option value="OR" imgPath="https://select2.github.io/vendor/images/flags/or.png">Oregon</option>
   <option value="WA" imgPath="https://select2.github.io/vendor/images/flags/wa.png">Washington</option>
  </optgroup>
  <optgroup label="Mountain Time Zone">
   <option value="AZ" imgPath="https://select2.github.io/vendor/images/flags/az.png">Arizona</option>
   <option value="CO" imgPath="https://select2.github.io/vendor/images/flags/co.png">Colorado</option>
   <option value="ID" imgPath="https://select2.github.io/vendor/images/flags/id.png">Idaho</option>
   <option value="MT" imgPath="https://select2.github.io/vendor/images/flags/mt.png">Montana</option>
   <option value="NE" imgPath="https://select2.github.io/vendor/images/flags/ne.png">Nebraska</option>
   <option value="NM" imgPath="https://select2.github.io/vendor/images/flags/nm.png">New Mexico</option>
   <option value="ND" imgPath="https://select2.github.io/vendor/images/flags/nd.png">North Dakota</option>
   <option value="UT" imgPath="https://select2.github.io/vendor/images/flags/ut.png">Utah</option>
   <option value="WY" imgPath="https://select2.github.io/vendor/images/flags/wy.png">Wyoming</option>
  </optgroup>
  <optgroup label="Central Time Zone">
   <option value="AL">Alabama</option>
   <option value="AR">Arkansas</option>
   <option value="IL">Illinois</option>
   <option value="IA">Iowa</option>
   <option value="KS">Kansas</option>
   <option value="KY">Kentucky</option>
   <option value="LA">Louisiana</option>
   <option value="MN">Minnesota</option>
   <option value="MS">Mississippi</option>
   <option value="MO">Missouri</option>
   <option value="OK">Oklahoma</option>
   <option value="SD">South Dakota</option>
   <option value="TX">Texas</option>
   <option value="TN">Tennessee</option>
   <option value="WI">Wisconsin</option>
  </optgroup>
  <optgroup label="Eastern Time Zone">
   <option value="CT">Connecticut</option>
   <option value="DE">Delaware</option>
   <option value="FL">Florida</option>
   <option value="GA">Georgia</option>
   <option value="IN">Indiana</option>
   <option value="ME">Maine</option>
   <option value="MD">Maryland</option>
   <option value="MA">Massachusetts</option>
   <option value="MI">Michigan</option>
   <option value="NH">New Hampshire</option>
   <option value="NJ">New Jersey</option>
   <option value="NY">New York</option>
   <option value="NC">North Carolina</option>
   <option value="OH">Ohio</option>
   <option value="PA">Pennsylvania</option>
   <option value="RI">Rhode Island</option>
   <option value="SC">South Carolina</option>
   <option value="VT">Vermont</option>
   <option value="VA">Virginia</option>
   <option value="WV">West Virginia</option>
  </optgroup>
 </select>
</article>
===============================
<br/>





4、图文选项





<article>
 <select id="test_4" class="js-example-templating js-states form-control select2-hidden-accessible" multiple="multiple">
  <optgroup label="Alaskan/Hawaiian Time Zone">
   <option value="AK" imgPath="https://select2.github.io/vendor/images/flags/ak.png">Alaska</option>
   <option value="HI" imgPath="https://select2.github.io/vendor/images/flags/hi.png">Hawaii</option>
  </optgroup>
  <optgroup label="Pacific Time Zone">
   <option value="CA" imgPath="https://select2.github.io/vendor/images/flags/ca.png">California</option>
   <option value="NV" imgPath="https://select2.github.io/vendor/images/flags/nv.png">Nevada</option>
   <option value="OR" imgPath="https://select2.github.io/vendor/images/flags/or.png">Oregon</option>
   <option value="WA" imgPath="https://select2.github.io/vendor/images/flags/wa.png">Washington</option>
  </optgroup>
  <optgroup label="Mountain Time Zone">
   <option value="AZ" imgPath="https://select2.github.io/vendor/images/flags/az.png">Arizona</option>
   <option value="CO" imgPath="https://select2.github.io/vendor/images/flags/co.png">Colorado</option>
   <option value="ID" imgPath="https://select2.github.io/vendor/images/flags/id.png">Idaho</option>
   <option value="MT" imgPath="https://select2.github.io/vendor/images/flags/mt.png">Montana</option>
   <option value="NE" imgPath="https://select2.github.io/vendor/images/flags/ne.png">Nebraska</option>
   <option value="NM" imgPath="https://select2.github.io/vendor/images/flags/nm.png">New Mexico</option>
   <option value="ND" imgPath="https://select2.github.io/vendor/images/flags/nd.png">North Dakota</option>
   <option value="UT" imgPath="https://select2.github.io/vendor/images/flags/ut.png">Utah</option>
   <option value="WY" imgPath="https://select2.github.io/vendor/images/flags/wy.png">Wyoming</option>
  </optgroup>
  <optgroup label="Central Time Zone">
   <option value="AL">Alabama</option>
   <option value="AR">Arkansas</option>
   <option value="IL">Illinois</option>
   <option value="IA">Iowa</option>
   <option value="KS">Kansas</option>
   <option value="KY">Kentucky</option>
   <option value="LA">Louisiana</option>
   <option value="MN">Minnesota</option>
   <option value="MS">Mississippi</option>
   <option value="MO">Missouri</option>
   <option value="OK">Oklahoma</option>
   <option value="SD">South Dakota</option>
   <option value="TX">Texas</option>
   <option value="TN">Tennessee</option>
   <option value="WI">Wisconsin</option>
  </optgroup>
  <optgroup label="Eastern Time Zone">
   <option value="CT">Connecticut</option>
   <option value="DE">Delaware</option>
   <option value="FL">Florida</option>
   <option value="GA">Georgia</option>
   <option value="IN">Indiana</option>
   <option value="ME">Maine</option>
   <option value="MD">Maryland</option>
   <option value="MA">Massachusetts</option>
   <option value="MI">Michigan</option>
   <option value="NH">New Hampshire</option>
   <option value="NJ">New Jersey</option>
   <option value="NY">New York</option>
   <option value="NC">North Carolina</option>
   <option value="OH">Ohio</option>
   <option value="PA">Pennsylvania</option>
   <option value="RI">Rhode Island</option>
   <option value="SC">South Carolina</option>
   <option value="VT">Vermont</option>
   <option value="VA">Virginia</option>
   <option value="WV">West Virginia</option>
  </optgroup>
 </select>
</article>
<br/>
======================================
<br/>





5、默认选中某个选项





<article>
 <select id="test_5" class="form-control" multiple="multiple">
  <optgroup label="Alaskan/Hawaiian Time Zone">
   <option value="AK" imgPath="https://select2.github.io/vendor/images/flags/ak.png">Alaska</option>
   <option value="HI" imgPath="https://select2.github.io/vendor/images/flags/hi.png">Hawaii</option>
  </optgroup>
  <optgroup label="Pacific Time Zone">
   <option value="CA" imgPath="https://select2.github.io/vendor/images/flags/ca.png">California</option>
   <option value="NV" imgPath="https://select2.github.io/vendor/images/flags/nv.png">Nevada</option>
   <option value="OR" imgPath="https://select2.github.io/vendor/images/flags/or.png">Oregon</option>
   <option value="WA" imgPath="https://select2.github.io/vendor/images/flags/wa.png">Washington</option>
  </optgroup>
  <optgroup label="Mountain Time Zone">
   <option value="AZ" imgPath="https://select2.github.io/vendor/images/flags/az.png">Arizona</option>
   <option value="CO" imgPath="https://select2.github.io/vendor/images/flags/co.png">Colorado</option>
   <option value="ID" imgPath="https://select2.github.io/vendor/images/flags/id.png">Idaho</option>
   <option value="MT" imgPath="https://select2.github.io/vendor/images/flags/mt.png">Montana</option>
   <option value="NE" imgPath="https://select2.github.io/vendor/images/flags/ne.png">Nebraska</option>
   <option value="NM" imgPath="https://select2.github.io/vendor/images/flags/nm.png">New Mexico</option>
   <option value="ND" imgPath="https://select2.github.io/vendor/images/flags/nd.png">North Dakota</option>
   <option value="UT" imgPath="https://select2.github.io/vendor/images/flags/ut.png">Utah</option>
   <option value="WY" imgPath="https://select2.github.io/vendor/images/flags/wy.png">Wyoming</option>
  </optgroup>
  <optgroup label="Central Time Zone">
   <option value="AL">Alabama</option>
   <option value="AR">Arkansas</option>
   <option value="IL">Illinois</option>
   <option value="IA">Iowa</option>
   <option value="KS">Kansas</option>
   <option value="KY">Kentucky</option>
   <option value="LA">Louisiana</option>
   <option value="MN">Minnesota</option>
   <option value="MS">Mississippi</option>
   <option value="MO">Missouri</option>
   <option value="OK">Oklahoma</option>
   <option value="SD">South Dakota</option>
   <option value="TX">Texas</option>
   <option value="TN">Tennessee</option>
   <option value="WI">Wisconsin</option>
  </optgroup>
  <optgroup label="Eastern Time Zone">
   <option value="CT">Connecticut</option>
   <option value="DE">Delaware</option>
   <option value="FL">Florida</option>
   <option value="GA">Georgia</option>
   <option value="IN">Indiana</option>
   <option value="ME">Maine</option>
   <option value="MD">Maryland</option>
   <option value="MA">Massachusetts</option>
   <option value="MI">Michigan</option>
   <option value="NH">New Hampshire</option>
   <option value="NJ">New Jersey</option>
   <option value="NY">New York</option>
   <option value="NC">North Carolina</option>
   <option value="OH">Ohio</option>
   <option value="PA">Pennsylvania</option>
   <option value="RI">Rhode Island</option>
   <option value="SC">South Carolina</option>
   <option value="VT">Vermont</option>
   <option value="VA">Virginia</option>
   <option value="WV">West Virginia</option>
  </optgroup>
 </select>
</article>
<br/>
=========================================
<br/>





6、某些选项不能选中





<select id="test_6" class="form-control">
 <optgroup label="Alaskan/Hawaiian Time Zone">
  <option value="AK" imgPath="https://select2.github.io/vendor/images/flags/ak.png">Alaska</option>
  <option value="HI" imgPath="https://select2.github.io/vendor/images/flags/hi.png">Hawaii</option>
 </optgroup>
 <optgroup label="Pacific Time Zone">
  <option value="CA" disabled="disabled" imgPath="https://select2.github.io/vendor/images/flags/ca.png">California</option>
  <option value="NV" imgPath="https://select2.github.io/vendor/images/flags/nv.png">Nevada</option>
  <option value="OR" imgPath="https://select2.github.io/vendor/images/flags/or.png">Oregon</option>
  <option value="WA" disabled="disabled" imgPath="https://select2.github.io/vendor/images/flags/wa.png">Washington</option>
 </optgroup>
 <optgroup label="Mountain Time Zone">
  <option value="AZ" imgPath="https://select2.github.io/vendor/images/flags/az.png">Arizona</option>
  <option value="CO" imgPath="https://select2.github.io/vendor/images/flags/co.png">Colorado</option>
  <option value="ID" imgPath="https://select2.github.io/vendor/images/flags/id.png">Idaho</option>
  <option value="MT" imgPath="https://select2.github.io/vendor/images/flags/mt.png">Montana</option>
  <option value="NE" imgPath="https://select2.github.io/vendor/images/flags/ne.png">Nebraska</option>
  <option value="NM" imgPath="https://select2.github.io/vendor/images/flags/nm.png">New Mexico</option>
  <option value="ND" imgPath="https://select2.github.io/vendor/images/flags/nd.png">North Dakota</option>
  <option value="UT" imgPath="https://select2.github.io/vendor/images/flags/ut.png">Utah</option>
  <option value="WY" imgPath="https://select2.github.io/vendor/images/flags/wy.png">Wyoming</option>
 </optgroup>
 <optgroup label="Central Time Zone">
  <option value="AL">Alabama</option>
  <option value="AR">Arkansas</option>
  <option value="IL">Illinois</option>
  <option value="IA">Iowa</option>
  <option value="KS">Kansas</option>
  <option value="KY">Kentucky</option>
  <option value="LA">Louisiana</option>
  <option value="MN">Minnesota</option>
  <option value="MS">Mississippi</option>
  <option value="MO">Missouri</option>
  <option value="OK">Oklahoma</option>
  <option value="SD">South Dakota</option>
  <option value="TX">Texas</option>
  <option value="TN">Tennessee</option>
  <option value="WI">Wisconsin</option>
 </optgroup>
 <optgroup label="Eastern Time Zone">
  <option value="CT">Connecticut</option>
  <option value="DE">Delaware</option>
  <option value="FL">Florida</option>
  <option value="GA">Georgia</option>
  <option value="IN">Indiana</option>
  <option value="ME">Maine</option>
  <option value="MD">Maryland</option>
  <option value="MA">Massachusetts</option>
  <option value="MI">Michigan</option>
  <option value="NH">New Hampshire</option>
  <option value="NJ">New Jersey</option>
  <option value="NY">New York</option>
  <option value="NC">North Carolina</option>
  <option value="OH">Ohio</option>
  <option value="PA">Pennsylvania</option>
  <option value="RI">Rhode Island</option>
  <option value="SC">South Carolina</option>
  <option value="VT">Vermont</option>
  <option value="VA">Virginia</option>
  <option value="WV">West Virginia</option>
 </optgroup>
</select>
<br/>
======================================
<br/>





7、搜索动态加载下拉选项功能（即在用户输入搜索内容时动态去后台取数据）





<article>
 <select id="test_7" class=" form-control " multiple="multiple">
 </select>
</article>
<br/>
=========================================
<button id="btn">获取选中的值</button>





控制器action代码：





public class HomeController : Controller
 {
  public IEnumerable<string> areaList = new List<string>()
  { 
   "北京市", 
   "天津市",
   "重庆市",
   "上海市",
   "广州市", 
   "长沙", 
   "哈尔滨", 
   "长春",
   "杭州市", 
   "南京市",
   "福建市",
   "河北省", 
   "山西省", 
   "辽宁省", 
   "吉林省", 
   "黑龙江省",
   "江苏省",
   "浙江省", 
   "安徽省", 
   "福建省", 
   "江西省", 
   "山东省", 
   "河南省",
   "湖北省", 
   "湖南省",
   "广东省", 
   "海南省", 
   "四川省",
   "贵州省", 
   "云南省", 
   "陕西省", 
   "甘肃省",
   "青海省",
   "台湾省",
   "内蒙古自治区", 
   "广西壮族自治区", 
   "西藏自治区", 
   "宁夏回族自治区",
   "新疆维吾尔自治区", 
   "香港特别行政区", 
   "澳门特别行政区" 
  };
  public JsonResult GetArea(string q, string page)
  {
   var area = new { id = 1, name = "" };
   var lstRes = areaList.Select((t, i) => new Area
   {
    id = i,
    text = t,
    element = "element" + i
   });
   if (!string.IsNullOrEmpty(q.Trim()))
   {
    lstRes = lstRes.Where(x => x.text.Contains(q));
   }
   var lstCurPageRes = string.IsNullOrEmpty(page) ? lstRes.Take(10) : lstRes.Skip(Convert.ToInt32(page) * 10 - 10).Take(10);
   return Json(new { items = lstCurPageRes, total_count = lstRes.Count() }, JsonRequestBehavior.AllowGet);
  }
  public ActionResult Index()
  {
   return View();
  }
 }
namespace Select2Demo.Models
{
 public class Area
 {
  public int id { get; set; }
  public string text { get; set; }
  public string element { get; set; }
 }
}





以上所述是小编给大家介绍的BootStrap与Select2使用小结，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！
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