minio客户端文件直传
流程：1. 获取上传凭证 2. 上传
java代码
package com.yjzhixue.cmadmin.web;
import io.minio.GetPresignedObjectUrlArgs;
import io.minio.MinioClient;
import io.minio.http.Method;
import java.util.HashMap;
import java.util.Map;
/**
* 生成客户端上传凭证（URL）
*/
public class MINIOComponent {
private String accessKey;
private String secretKey;
private String endpoint; //http://192.168.0.69:9000
/**
* 获取上传凭证
* @param bucket 桶名
* @param objectName 对象名
* @param expirySecond 过期时间（秒）
* @return
* @throws Exception
*/
public String getPresignedObjectUrl(String bucket, String objectName, int expirySecond) throws Exception {
MinioClient minioClient = MinioClient.builder().endpoint(endpoint)
.credentials(accessKey, secretKey).build();
Map<String, String> reqParams = new HashMap<>();
reqParams.put("response-content-type", "application/json");
String product = minioClient.getPresignedObjectUrl(
GetPresignedObjectUrlArgs.builder()
.method(Method.PUT) //这里必须是PUT，如果是GET的话就是文件访问地址了。如果是POST上传会报错.
.bucket(bucket)
.object(objectName)
.expiry(expirySecond) // 凭证过期时间，单位秒
.extraQueryParams(reqParams)
.build());
return product;
}
public static void main(String[] args) throws Exception {
// 样例
MINIOComponent component = new MINIOComponent();
component.accessKey = "7L9xvYEQ0YBO8UH6dk16";
component.secretKey = "wjPTPgMXbPahVv1W099ncbNoAd2oW9brIWQzKHlC";
component.endpoint = "http://192.168.0.69:9000";
String bucket = "my-datas";
String objectName = "BaiduIMInstaller-02.zip";
int expirySecond = 60 * 20;
String presignedObjectUrl = component.getPresignedObjectUrl(bucket, objectName, expirySecond);
System.err.println(presignedObjectUrl);
}
}
upload.html
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8" />
<title></title>
</head>
<body>
<form id="uploadForm" >
文件:<input id="file" type="file" name="file" />
<input type="submit" value="提交 submit" />
</form>
</body>
$(function () {
var putUrl = "http://192.168.0.69:9000/my-datas/BaiduIMInstaller-02.zip?response-content-type=application%2Fjson&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=7L9xvYEQ0YBO8UH6dk16%2F20240506%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240506T081513Z&X-Amz-Expires=1200&X-Amz-SignedHeaders=host&X-Amz-Signature=4030eba0b2c2d03263c6f6721bd3b8fbfa85fa51bbd926d41d7bdcba40687e0c";
//监听表单提交,变为异步提交表单
$("#uploadForm").on("submit", function (event) {
var form = this; //this代表的就是当前提交表单的DOM对象
//用H5的FormData对象对表单数据进行构造
console.log($('#file'))
console.log($('#file')[0].files[0])
$.ajax({
url: putUrl,
type: "put",
// data: $('#uploadForm')[0][2].files[0], //直接将文件对象传输
data: $('#file')[0].files[0], //直接将文件对象传输
// dataType: "JSON",
async: true,
//要想用jquery的ajax来提交FormData数据,
//则必须要把这两项设为false
processData: false,
contentType: false,
error: function (xhr, status, error) {
alert("请求出错!"+error);
},
success: function (result) {
alert("表单提交成功!");
},
});
//阻止表单的提交事件
return false;
});
});
</html>
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