本文介绍了ssm框架上传图片保存到本地和数据库示例,主要使用了Spring+SpringMVC+MyBatis框架,实现了ssm框架上传图片的实例,具体如下:
1、前台部分
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<%@ page language= "java" contentType= "text/html; charset=UTF-8" pageEncoding= "UTF-8" %>
<!DOCTYPE html>
<html>
<head>
<meta charset= "UTF-8" >
<title>Title</title>
<script src= "resources/jquery/jquery-3.0.0.js" ></script>
</head>
<body>
<img id= "image" src= "" />
<br/>
<input type= "file" onchange= "selectImage(this);" />
<br/>
<input type= "button" onclick= "uploadImage();" value= "提交" />
<script>
var image = '' ;
function selectImage(file){
if (!file.files || !file.files[ 0 ]){
return ;
}
var reader = new FileReader();
reader.onload = function(evt){
document.getElementById( 'image' ).src = evt.target.result;
image = evt.target.result;
}
reader.readAsDataURL(file.files[ 0 ]);
}
function uploadImage(){
image = JSON.stringify(image)
$.ajax({
type: 'POST' ,
url: '/blog/test' ,
data: {base64: image
},
async: false ,
dataType: 'json' ,
success: function(data){
alert(data.success)
if (data.success){
alert( '上传成功' );
} else {
alert( '上传失败' );
}
},
error: function(err){
alert( '网络故障' );
}
});
}
</script>
<script src= "jquery-1.11.1.min.js" ></script>
</body>
</html>
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2、controller
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@Inject
private IUserService userService;
@RequestMapping (value= "test" )
@ResponseBody
public ConsoleResult test(String base64){
// 自定义返回前台数据格式
ConsoleResult res = new ConsoleResult();
// 去掉base64数据头部data:image/png;base64,和尾部的” " “
String[] ww= base64.split( "," );
base64 = ww[ 1 ];
String[] aa = base64.split( "\"" );
base64 = aa[ 0 ];
try {
// 将图片插入数据库
userService.base64test(base64);
// 图片保存到本地
String path = "D:/asdfasdf.jpg" ;
Base64File file = new Base64File();
file.decoderBase64File(base64, path);
// 成功标识
res.setStatus(ConsoleResult.successStatus);
} catch (Exception e) {
res.setStatus(ConsoleResult.faultStatus);
}
return res;
}
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3、base64
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/**
* 将base64字符解码保存文件
*
* @param base64Code
* @param targetPath
* @throws Exception
*/
public static void decoderBase64File(String base64Code, String targetPath) {
byte [] buffer;
FileOutputStream out = null ;
try {
buffer = new BASE64Decoder().decodeBuffer(base64Code);
out = new FileOutputStream(targetPath);
out.write(buffer);
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (out != null ) {
out.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
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4、mapper.xml
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< update id = "base64Test" parameterType = "String" >
update t_user set U_ABOUT = #{base64} where u_name = '971171444'
</ update >
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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服务器之家。
原文链接:http://blog.csdn.net/xiaowei5246879/article/details/54962653