package cn.core.mvc;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletContext;

import org.nutz.ioc.loader.annotation.IocBean;
import org.nutz.json.Json;
import org.nutz.mvc.annotation.AdaptBy;
import org.nutz.mvc.annotation.At;
import org.nutz.mvc.annotation.Filters;
import org.nutz.mvc.annotation.Ok;
import org.nutz.mvc.annotation.Param;
import org.nutz.mvc.upload.TempFile;
import org.nutz.mvc.upload.UploadAdaptor;

import cn.admin.bean.SysUploadfiles;
import cn.core.util.BaseModule;

@IocBean
public class Uploader extends BaseModule {
	@At("/upload")
	@AdaptBy(type = UploadAdaptor.class, args = { "ioc:upload" })
	@Ok("raw:json")
	@Filters
	public String Upload(@Param("file") TempFile tf, @Param("formData") HashMap<String, Object> data,
			ServletContext sc) {
		long answerId = System.currentTimeMillis();
		Map<String, Object> map = new HashMap<>();
		if (tf == null || "".equals(tf)) {
			map.put("code", "-1");
			map.put("result", "上传失败!");
			return Json.toJson(map);
		}
		try {
			String[] postfix = tf.getSubmittedFileName().split("\\.");
			String path = sc.getRealPath("/").replace("\\pac\\", "");

			// 上传商品图片
			if ("hospitallogo".equalsIgnoreCase(data.get("filetype").toString())) {
				path += "/upload/logo/";

				// 删除物理文件
				if (!(data.get("oldhospitallogo") == null
						|| "".equalsIgnoreCase(data.get("oldhospitallogo").toString()))) {
					String filename = sc.getRealPath("/").replace("\\pac\\", "")
							+ data.get("oldhospitallogo").toString();
					File file = new File(filename);
					if (file.exists()) {
						file.delete();
					}
				}

				File temp = new File(path);
				if (!temp.exists()) {
					temp.mkdirs();
				}
				tf.write(temp.getPath() + "/" + answerId + "." + postfix[postfix.length - 1]);
				tf.delete();

				map.put("code", "1");
				map.put("result", "/upload/logo/" + answerId + "." + postfix[postfix.length - 1]);
				return Json.toJson(map);
			}
			map.put("code", "-1");
			map.put("msg", "文件上传失败!");
			return Json.toJson(map);
		} catch (Exception e) {
			e.printStackTrace();
			map.put("code", "-1");
			map.put("msg", "文件上传失败!");
			return Json.toJson(map);
		}
	}

	//
	@At("/delfile")
	public Object delfile(@Param("obj") HashMap<String, Object> data, ServletContext sc) {
		try {
			String filename = sc.getRealPath("/").replace("\\pac\\", "") + data.get("fileurl");
			File file = new File(filename);
			if (file.exists()) {
				file.delete();
			}
			SysUploadfiles ufile = new SysUploadfiles();
			ufile.setFileid(Long.valueOf(data.get("fileid").toString()));
			super.dao.delete(ufile);
			return super.nutzRet(1, "文件删除成功!", "");
		} catch (Exception e) {
			e.printStackTrace();
			return super.nutzRet(-1, "文件删除失败!", "");
		}
	}
}

微信端的上传程序

function previewImages(file) {
    var MAXWIDTH = 1000;
    var MAXHEIGHT = 1200;
    for (var i = 0; i < file.files.length; i++) {
        if (file.files && file.files[i]) {
            $.post(https+"/upload",{"file": file.files[i],"formData":{"type":"pac"}},function(rs){
                //$(file).parent().prev().append('<li  onclick="removeimg(this)" class="weui-uploader__file" style="background-image:url('+evt.target.result+')"><input value="'+rs.src+'"  type="hidden"  name="files" /></li>');
            },'json');
        	
        	/*
            var reader = new FileReader();
            reader.onload = function (evt) {
                $.post(https+"/upload",{imgbase64: evt.target.result},function(rs){
                    $(file).parent().prev().append('<li  onclick="removeimg(this)" class="weui-uploader__file" style="background-image:url('+evt.target.result+')"><input value="'+rs.src+'"  type="hidden"  name="files" /></li>');
                },'json');
            };
            reader.readAsDataURL(file.files[i]);
            console.log(file.files[i]);
            */
        }
    }
}