下面是一个序列图,用于描述设定编码格式和使用StringWriter写入指定编码格式的字符串之间的交互过程: StringStringWriterCharsetMainStringStringWriterCharsetMain获取UTF-8编码格式的Charset对象返回UTF-8编码格式的Charset对象创建StringWriter对象写入字符串"Hello, 世界!"返回StringWriter对象将StringWriter对象转换为字符串返回字符...
io.StringWriter; // 将ISO-8859-1转换为UTF-8 String iso8859_1 = "ISO-8859-1字符串"; BufferedReader reader = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(iso8859_1.getBytes("ISO-8859-1")), "ISO-8859-1")); BufferedWriter writer = new BufferedWriter(new OutputStream...
import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.Reader;import java.io.StringWriter;import java.nio.charset.StandardCharsets;import java.util.Scanner;import jav...
UTF-8对于Java而言最大的问题是:Java编译器不支持带BOM的UTF-8,只支持无BOM的UTF-8源文件的编译。所以如果要采用UTF-8编写源文件的话,必须去除BOM。 去除BOM的方法: 1。用WINDOWS记事本先将编码设置为ANSI,再用支持UTF-8的高级文本编辑器(这种类型的编码器在从ANSI转码为UTF-8时不会主动加BOM,但从有BOM的U...
StringWriter 类:向内存缓冲区的字符串(StringBuffer)写数据。 BufferedWriter 类:为其他字符输出流提供写缓冲区。 PipedWriter 类:连接到一个 PipedReader。 OutputStreamReader 类:将字节输出流转换为字符输出流,可以指定字符编码。 与OutputStream 类相同,Writer 类也包含 close()、flush() 等方法,这些方法可以参考...
();// 使用Jackson库将CSV文件转换为JSON字符串ObjectMapperobjectMapper=newObjectMapper();StringWriterstringWriter=newStringWriter();objectMapper.writeValue(stringWriter,readCSV("workbook.csv"));StringjsonString=stringWriter.toString();// 输出JSON字符串System.out.println(jsonString);}privatestaticObjectreadCSV(...
Propertiesproperties=newProperties();properties.setProperty("host","java.com");StringWriterwriter=newStringWriter();properties.store(writer,"test configuration");System.out.println(writer); 默认输出会带上当前时间的日期注释(第二行): #test configuration ...
String originalString = randomString(8); InputStream inputStream =newByteArrayInputStream(originalString.getBytes); String text =newString(inputStream.readAllBytes, StandardCharsets.UTF_8); assertThat(text, equalTo(originalString)); } 我们需要注意的是,这段简单的代码是为那些方便将所有字节读入字节数组的...
首先把inputStream转换为StringWriter,然后使用StringWriter获取字符串。 或者更加简单的方式:String theString = IOUtils.toString(inputStream, encoding); 注意: 它不会关闭inputStream, 所以为了避免忘了关闭inputstream,建议把它放到try-with-resources里。
importjava.io.File;importjava.io.IOException;importjava.io.StringWriter;importjava.text.MessageFormat;importjavax.json.Json;importjavax.json.JsonObject;importjavax.json.JsonReader;importorg.apache.http.HttpEntity;importorg.apache.http.HttpResponse;importorg.apache.http.StatusLine;importorg.apache....