springMvc-文件上传

赶时间，又在写垃圾博客，在心里给自己一耳巴

1.单文件上传

2.多文件上传

代码：

页面：

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="upload2.do" method="post" enctype="multipart/form-data">
<table>
<tr>
<th colspan="2">上传文件</th>
</tr>
<tr>
<td>文件一</td>
<td>
<input type="file" name="file"/>
</td>
</tr>
<tr>
<td>文件二</td>
<td>
<input type="file" name="file"/>
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="上传文件"/>
</td>
</tr>
</table>
</form>
</body>
</html>

2.在controller里面处理：

package com.java1234.controller;

import java.io.File;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

@Controller
public class FileUploadController {

@RequestMapping("/upload")
public String uploadFile(@RequestParam("file1") MultipartFile file1,HttpServletRequest request)throws Exception{
String filePath=request.getServletContext().getRealPath("/");
System.out.println(filePath);
file1.transferTo(new File(filePath+"upload/"+file1.getOriginalFilename()));
return "redirect:success.html";
}

@RequestMapping("/upload2")
public String uploadFiles(@RequestParam("file") MultipartFile[] files,HttpServletRequest request)throws Exception{
String filePath=request.getServletContext().getRealPath("/");
System.out.println(filePath);
for(MultipartFile file:files){
file.transferTo(new File(filePath+"upload/"+file.getOriginalFilename()));
}
return "redirect:success.html";
}
}

3.在springMvc里面添加配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

<context:component-scan base-package="com.java1234"/>

<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp"></property>
</bean>

<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<property name="defaultEncoding" value="UTF-8"/>
<property name="maxUploadSize" value="10000000"/>

</bean>

</beans>

转载于:https://www.cnblogs.com/csy666/p/6540531.html

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