jQuery Validate 验证 文件验证
jQuery Validate
jQuery Validate 插件为表单提供了强大的验证功能，让客户端表单验证变得更简单，同时提供了大量的定制选项，满足应用程序各种需求。
1、导入 js 库
<scriptsrc="http://static.runoob.com/assets/jquery-validation-1.14.0/lib/jquery.js"></script><scriptsrc="http://static.runoob.com/assets/jquery-validation-1.14.0/dist/jquery.validate.min.js"></script>
2、默认校验规则
例子：
$().ready(function(){//在键盘按下并释放及提交后验证提交表单$("#signupForm").validate({rules:{firstname:"required",lastname:"required",username:{required:true,minlength:2},password:{required:true,minlength:5},confirm_password:{required:true,minlength:5,equalTo:"#password"},email:{required:true,email:true},topic:{required:"#newsletter:checked",minlength:2},agree:"required"},messages:{firstname:"请输入您的名字",lastname:"请输入您的姓氏",username:{required:"请输入用户名",minlength:"用户名必需由两个字母组成"},password:{required:"请输入密码",minlength:"密码长度不能小于5个字母"},confirm_password:{required:"请输入密码",minlength:"密码长度不能小于5个字母",equalTo:"两次密码输入不一致"},email:"请输入一个正确的邮箱",agree:"请接受我们的声明",topic:"请选择两个主题"}})});
3.特别注意
对于accept的用法accept：“MIME types”
具体的可能用到的MINIEType如下：
.dotx,application/vnd.openxmlformats-officedocument.wordprocessingml.template
.docx,application/vnd.openxmlformats-officedocument.wordprocessingml.document
.xlsx,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.pptx,application/vnd.openxmlformats-officedocument.presentationml.presentation
.doc,application/msword
.dot,application/msword
.xls,application/vnd.ms-excel
.ppt - application/mspowerpoint
.ai - application/postscript
.aif - audio/x-aiff
.aifc - audio/x-aiff
.aiff - audio/x-aiff
.asc - text/plain
.au - audio/basic
.avi - video/x-msvideo
.bcpio - application/x-bcpio
.bin - application/octet-stream
.c - text/plain
.cc - text/plain
.ccad - application/clariscad
.cdf - application/x-netcdf
.class - application/octet-stream
.cpio - application/x-cpio
.cpt - application/mac-compactpro
.csh - application/x-csh
.css - text/css
.dcr - application/x-director
.dir - application/x-director
.dms - application/octet-stream
.doc - application/msword
.drw - application/drafting
.dvi - application/x-dvi
.dwg - application/acad
.dxf - application/dxf
.dxr - application/x-director
.eps - application/postscript
.etx - text/x-setext
.exe - application/octet-stream
.ez - application/andrew-inset
.f - text/plain
.f90 - text/plain
.fli - video/x-fli
.gif - image/gif
.gtar - application/x-gtar
.gz - application/x-gzip
.h - text/plain
.hdf - application/x-hdf
.hh - text/plain
.hqx - application/mac-binhex40
.htm - text/html
.html - text/html
.ice - x-conference/x-cooltalk
.ief - image/ief
.iges - model/iges
.igs - model/iges
.ips - application/x-ipscript
.ipx - application/x-ipix
.jpe - image/jpeg
.jpeg - image/jpeg
.jpg - image/jpeg
.js - application/x-javascript
.kar - audio/midi
.latex - application/x-latex
.lha - application/octet-stream
.lsp - application/x-lisp
.lzh - application/octet-stream
.m - text/plain
.man - application/x-troff-man
.me - application/x-troff-me
.mesh - model/mesh
.mid - audio/midi
.midi - audio/midi
.mif - application/vnd.mif
.mime - www/mime
.mov - video/quicktime
.movie - video/x-sgi-movie
.mp2 - audio/mpeg
.mp3 - audio/mpeg
.mpe - video/mpeg
.mpeg - video/mpeg
.mpg - video/mpeg
.mpga - audio/mpeg
.ms - application/x-troff-ms
.msh - model/mesh
.nc - application/x-netcdf
.oda - application/oda
.pbm - image/x-portable-bitmap
.pdb - chemical/x-pdb
.pdf - application/pdf
.pgm - image/x-portable-graymap
.pgn - application/x-chess-pgn
.png - image/png
.pnm - image/x-portable-anymap
.pot - application/mspowerpoint
.ppm - image/x-portable-pixmap
.pps - application/mspowerpoint
.ppt - application/mspowerpoint
.ppz - application/mspowerpoint
.pre - application/x-freelance
.prt - application/pro_eng
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