下拉框(多选)

1.bootstrap multiselect

2.http://wenzhixin.net.cn/p/multiple-select/docs/index.html?locale=zh_CN

3.Multiple Select

赋值：
http://www.cnblogs.com/liuruiyun/p/6548422.html

其它：
http://www.jb51.net/article/101837.htm
http://blog.csdn.net/cgs_______/article/details/53333973
http://blog.csdn.net/dyx_nt88/article/details/44057315

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