importjava.sql.*;publicclassBlobToString{publicstaticvoidmain(String[]args){Connectionconnection=null;PreparedStatementstmt=null;ResultSetrs=null;Blobblob=null;try{// 连接到数据库connection=DriverManager.getConnec
下面是一个完整的示例代码,演示了如何将Blob类型数据转换成String类型: importjava.sql.*;importjava.util.Base64;publicclassBlobToStringExample{publicstaticvoidmain(String[]args){// 连接数据库Stringurl="jdbc:mysql://localhost:3306/database_name";Stringusername="username";Stringpassword="password";try(Con...
1、String 转 Blob: String content ="Hello World!"; Blob blob = Hibernate.createBlob(content.getBytes()); 2、Blob 转 String: Blob blob; try{ String content =newString(blob.getBytes((long)1, (int)blob.length())); }catch(SQLException e) { e.printStackTrace(); }...
This class implements the java.sql.Blob interface in JDBC 2.0 Field Summary static java.lang.StringBUILD_DATE static intDURATION_CALL static intDURATION_SESSION static intMAX_CHUNK_SIZE 1907584: Changed MAX_CHUNK_SIZE from 32512 to 32768.
JavaBlob类型和String类型相互转换 01. 1、String 转 Blob:02.03. String content = "Hello World!";04.05. Blob blob = Hibernate.createBlob(content.getBytes());06.07. 2、Blob 转 String:08.09. Blob blob;10.11. try{ 12. String content = new String(blob.getBytes((long)1, ...
问如何在java中将Blob转换为String，将String转换为BlobENlong转string java_java中Long类型转换为String...
需要把String类型数据转换成Reader,然后再使用setCharacterStream插入数据库中。例如下例中,要插入String longStr,则先转换成Byte[],再ByteArrayInputStream,最后InputStreamReader。添加或更新clob型数据,如下所示(以
需要把String类型数据转换成Reader,然后再使用setCharacterStream插入数据库中。 例如下例中,要插入String longStr,则先转换成Byte[],再ByteArrayInputStream,最后InputStreamReader。 添加或更新clob型数据,如下所示(以更新为例): PreparedStatement pstmt=conn.prepareStatement(“update tablename set column1=? “+条件...
以下示例假定 Blob 是文本文件,并将 Blob 下载到String对象: Java publicvoiddownloadBlobToText(BlobClient blobClient){ String content = blobClient.downloadContent().toString(); System.out.printf("Blob contents: %s%n", content); } 从流下载 ...
"AzureADAppSetup":{"blobAccountName":"xxxxx","blobFileDownloadConnectionString":"DefaultEndpointsProtocol=https;AccountName=xxxxx;AccountKey={0};EndpointSuffix=xxx.chinacloudapi.cn"}, 2、添加nuget依赖包 代码语言:javascript 代码运行次数:0