Java Blob类型和String类型相互转换

xiaoxiao2021-02-28 43

String s1="1231dsdgasd的飒飒大"; Clob c = new SerialClob(s1.toCharArray());//String 转 clob Blob b = new SerialBlob(s1.getBytes("GBK"));//String 转 blob //也可以这样不传字符集名称，默认使用系统的 //Blob b = new SerialBlob(s1.getBytes()); String clobString = c.getSubString(1, (int) c.length());//clob 转 String String blobString = new String(b.getBytes(1, (int) b.length()),"GBK");//blob 转 String //前面若没传入字符集名称，则这里也不需要传入，以免出错 //String blobString = new String(b.getBytes(1, (int) b.length())); System.out.println(clobString); System.out.println(blobString);

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