步骤1:创建ByteArrayInputStream对象并将String转换为byte数组 首先,我们需要创建一个ByteArrayInputStream对象,并将String类型转换为byte数组。以下代码演示了如何完成这一步骤: Stringstr="Hello, World!";byte[]bytes=str.getBytes();// 将String转换为byte数组ByteArrayInputStreambyteArrayInputStream=newByteArrayInpu...
for (int n; (n = input.read(b)) != -1;) { out.append(new String(b, 0, n)); } out.toString(); 3、Reader –>String BufferedReader in = new BufferedReader(new InputStreamReader(is)); StringBuffer buffer = new StringBuffer(); String line = " "; while ((line = in.readLine(...
2、InputStream–>String inputStream input =null; StringBuffer out=newStringBuffer();byte[] b =newbyte[4096];for(intn; (n = input.read(b)) != -1;) { out.append(newString(b, 0, n)); }returnout.toString(); 3、Reader –>String BufferedReader in =newBufferedReader(newInputStreamRea...
上述代码首先使用getBytes()方法将String转换为字节数组,然后使用ByteArrayInputStream将字节数组转换为字节流。通过这种方式,我们可以通过字节流来操作String。 同样地,我们也可以使用StringReader将String转换为字符流。以下是示例代码: Stringstr="Hello, World!";StringReaderreader=newStringReader(str);// 将String包装成...
Java String Apache Commons IO String Conversions In this quick tutorial we’ll take a look at how toconvert a String to aReader,first using plain Java then Guava and finally the Commons IO library. This article is part ofthe “Java – Back to Basic” serieshere on Baeldung. ...
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...
String s = "Hello, world!\nThis is a test."; StringReader stringReader = new StringReader(s); BufferedReader bufferedReader = new BufferedReader(stringReader); ``` 通过上述代码,我们成功将字符串s转换为缓冲读取器bufferedReader,从而可以使用bufferedReader来逐行读取字符串内容。 2.3 转换方法的灵活性 ...
InputStream is = new ByteArrayInputStream( myString.getBytes( charset ) );
reader.close(); 复制代码 完整的示例代码如下: import java.io.StringReader; public class Main { public static void main(String[] args) { String input = "Hello World"; StringReader reader = new StringReader(input); try { int data = reader.read(); while (data != -1) { char c = (char...
使用InputStreamReader isr = new InputStreamReader(inp);BufferedReader reader = new BufferedReader(isr);可以调用 reader.readLine()方法