easyUI uses ajax to upload file background

Combined with the easyUI front-end ajax upload file component

Reading Excel tools

And springMVC upload files

Code behind

controller

@RequestMapping("/excelUploadItemList")
    @ResponseBody
    public CommonResponse excelUploadItemList(@RequestParam MultipartFile upFile, HttpServletRequest request, HttpServletResponse response) {
        String result = null;
        try {
            if (request instanceof MultipartHttpServletRequest) {
                String filename = upFile.getOriginalFilename();
                String tempPath;
                logger.info("生成路径");
                //String fsRoot = ConfigPool.getConfigValue("storage.fs.root");
                String fsRoot = "C:\\TempFile";
                tempPath = fsRoot + File.separator + "temp" + File.separator + filename;

                File f = new File(fsRoot + File.separator + "temp");
                if (!f.exists()) {
                    f.mkdirs();
                }
                File newFile = new File(tempPath);
                upFile.transferTo(newFile);
                if (ExcelPublic.checkArray (tempPath)) { // The first line has a value
                     // read the value of the first line 
                    logger.info ("Start reading the file!" );
                    ArrayList <String> al = new ArrayList <String> ();
                     // Read the first line, the title field line 
                    al = ExcelPublic.readExcelFirstline (tempPath);
                     // [Product ID, product title, product selling point, product price] 
                    System .out.println ("al:" + al);
                     // Read all content in excel 
                   String [] [] content = ExcelPublic.dyadicArray (tempPath, 1, 0 );
                     // [[Product ID, product title, product Selling point, commodity price], [123456, K20Pro, large memory, 2799], [234567, iPhoneSE, new machine, 3299]] 
                    System.out.println ("content:" + content);
                    logger.info ( "Get column after reading file" );
                    Map <String, Integer> locationMap = new HashMap <String, Integer> (); // The location of the data to be inserted 
                    String [] finalFieldArr = {"Product ID", "Product Title", "Product Selling Point", "Product Price " };
                     // Read the title field and its location 
                    locationMap = readLocation (tempPath, finalFieldArr);
                     // {Product title = 1, Product selling point = 2, Product ID = 0, Product price = 3} 
                    System.out .println ("locationMap:" + locationMap);
                     if (locationMap.containsValue (-1 )) {
                        result = "The header is incorrect, the correct header is:" + Arrays.asList (finalFieldArr);
                         throw  new Exception (result);
                    }
                    logger.info ( "Import into actual file" );
                    result = this.itemService.excelUploadItemList(al, content, locationMap);
                }
            }
        } catch (Exception e) {
             // Failed 
            result = e.toString ();
            e.printStackTrace ();
            CommonResponse commonresponse = new CommonResponse();
            commonresponse.setSuccFlag(false);
            commonresponse.setMsg(result);
            return commonresponse;
        }
        // 成功
        CommonResponse commonresponse = new CommonResponse();
        commonresponse.setSuccFlag(true);
        response.setContentType("text/plain; charset=UTF-8");
        return commonresponse;
    }

service

@Override
    public String excelUploadItemList(ArrayList<String> al, String[][] content, Map<String, Integer> locationMap) {
        Map<String, String[]> itemMap = new HashMap<>();
        for (int i = 1; i < content.length; i++) {
            String itemId = content[i][locationMap.get("商品ID")];
            itemMap.put(itemId, content[i]);
        }
        // 生成时间
        String date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
        // sql
        String sql = "insert into tb_item (id, title, sell_point, price, num , cid, status, created, updated) values(?, ?, ?, ?, 500, 560, 1, '"
                + date +"','" + date + "')";
        // 参数
        List<Object[]> batchArgs = new ArrayList<Object[]>();
        // 封装参数
        for (int i = 1; i < content.length; i++) {
            String[] rowData = content[i];
            Object[] batchArg = new Object[]{rowData[0], rowData[1], rowData[2], rowData[3]};
            batchArgs.add(batchArg);
        }
        String result = "";
        try {
            jdbcTemplate.batchUpdate(sql, batchArgs);
            result = "success";
        } catch (DataAccessException e) {
            e.printStackTrace ();
        }

        return result;
    }

CommonResponse.java

/**
 * CommonResponse.java
 * Created at 2015-04-14
 * Created by zhaozhong
 * / 
package com.alphajuns.ssm.util;

/**
 * <p>ClassName: BaseObject</p>
 * <p> Description: General response object, mainly provided to the return value of rest api </ p>
 * <p>Date: Apr 14, 2015</p>
 */
public class CommonResponse extends BaseObject {

    /**
     *
     */
    private static final long serialVersionUID = 5382262170831616150L;
    
    
    /**
    *  0: SUCCESS; 1: FAILED
    */
    private int succFlag = 0; 
    
    /**
    *
    */   
    private String msg = "";
    
    /**
    * General data
    */
    private Object data;
    /**
     * Extended data
     */
    private Object dataExt;
    /**
    *
    */
    private Object rows = "";
    /**
    *
    */
    private long total = 0;
    /**
     * success
     */
    public static final int SUCCESS = 0;
    /**
     * fail
     */
    public static final int FAIL = 1;


    public String getMsg() {
        return this.msg;
    }


    public void setMsg(String msg) {
        this.msg = msg;
    }


    public int getSuccFlag() {
        return this.succFlag;
    }


    public void setSuccFlag(int succFlag) {
        this.succFlag = succFlag;
    }
    
    public void setSuccFlag(boolean succFlag){
        if(succFlag){
            this.succFlag = 0;
        }else{
            this.succFlag = 1;
        }
    }


    public Object getData() {
        return this.data;
    }

    public void setData(Object data) {
        this.data = data;
    }


    /**
     * <p>Description: getRows</p>
     * @return the rows
     */
    public Object getRows() {
        return this.rows;
    }


    /**
     * <p>Description: setRows</p>
     * @param rows the rows to set
     */
    public void setRows(Object rows) {
        this.rows = rows;
    }


    /**
     * <p>Description: getTotal</p>
     * @return the total
     */
    public long getTotal() {
        return this.total;
    }


    /**
     * <p>Description: setTotal</p>
     * @param total the total to set
     */
    public void setTotal(long total) {
        this.total = total;
    }

    /**
     * <p>Description: getDataExt</p>
     * @param data ext to get
     */
    public Object getDataExt() {
        return dataExt;
    }

    /**
     * <p>Description: setDataExt</p>
     * @param data ext to set
     */
    public void setDataExt(Object dataExt) {
        this.dataExt = dataExt;
    }
    
    

}

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