本实例所做功能为发送带附件邮件,可以上传多个附件,操作为选择一个附件以后自动上传,然后继续选择附件,填写完表单其他信息,点击保存发送带附件邮件。

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HTML标签
js初始化,设置全局文件名参数
var fileName = [];
function initFileInput(id, url) {
$("#" + id).fileinput({
language: 'zh',
uploadAsync:false,
uploadUrl:url,
browseClass: "btn btn-secondary",
textEncoding:"UTF-8",
showUpload: false,
showPreview :true,
dropZoneEnabled: false,
maxFileCount:5,
fileActionSettings:{
showUpload: true
},
enctype:'multipart/form-data',
msgFilesTooMany: "选择上传的文件数量({n}) 超过允许的最大数值{m}!",
}).on("filebatchselected", function(event, files) {
$("#fileUpload").fileinput("upload");
}).on("filebatchuploadsuccess", function (event, data, previewId, index){
if(data.response.success == true)
{
fileName.push(data.response.fileName);
}else{
alert("上传失败!");
}
$("#fileUpload").fileinput("clear");
$("#fileUpload").fileinput("reset");
}).on('fileerror', function(event, data, msg) {
alert(msg);
});
}java后台上传文件代码
@RequestMapping(value="/fileupload") @ResponseBody public MapfileUpload(HttpServletRequest request, HttpServletResponse response) { ResourceBundle bundle = PropertyResourceBundle.getBundle("application"); MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest)request; Map fileMap = multipartRequest.getFileMap(); String rootPath = bundle.getString("upLoadUrl"); String filePath = rootPath; Map map = new HashMap<>(); map = uploadFiles(filePath,fileMap); return map; }
实际上传操作,返回上传操作经过处理的文件名,保证服务器端文件名唯一
public MapuploadFiles(String savePath,Map fiLeMap){ Map map = new HashMap<>(); try { String fileName = ""; if(fiLeMap!=null){ for(Map.Entry entity:fiLeMap.entrySet()){ MultipartFile f = entity.getValue(); if(f != null && !f.isEmpty()){ String uuid = UUID.randomUUID().toString(); fileName = uuid + "#" + f.getOriginalFilename(); File newFile = new File(savePath + "/" + fileName); f.transferTo(newFile); } } } map.put("success", true); map.put("fileName", fileName); return map; }catch (Exception e) { map.put("success", false); return map; } }
ajax提交其他表单参数和所传附件文件名集合
$.ajax({
type: "POST",
url: 所需要请求地址,
dataType: "json",
traditional:true,
data: {
service:$("#service").select2('val').replace("All",""),
startTime:$("#start").val(),
endTime:$("#end").val(),
reason:$("#reason").val(),
fileName:JSON.stringify(fileName),
outterEmail:isOutterEmail,
innerEmail:isInnerEmail,
isSendEmail:isSendEmail,
subService:$("#subService").select2('val'),
runningStatus:$("#runningStatus").select2('val')
},
success: function(data){
$("#loadingModal").modal("hide");
fileName.splice(0,fileName.length);
alert(data.msg);
if(data.success) {
location.href = "revision";
}
},
error:function(xhr) {
$("#loadingModal").modal("hide");
alert("保存失败");
}
});
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持创新互联。