获取手机中外置内存卡、内置内存卡、手机内存路径。思路是：先用 Environment.getExternalStorageDirectory()获得外部存储卡路径（某些机型也表现为内部存储卡路径），如没有获 取到有效sd卡插入，则使用安卓的配置文件system/etc/vold.fstab读取全部挂载信息，假如也没有可写入的sd卡，则使用 getFilesDir()方式获得当前应用所在存储路径。为适应不同手机的内存情况，先分三种情况获得可存储路径phonePicsPath，后面代码较长是因为有两个工具类，复制即可，代码如下：
//首先判断是否有外部存储卡，如没有判断是否有内部存储卡，如没有，继续读取应用程序所在存储
if(getExternalSdCardPath() != null){
phonePicsPath = getExternalSdCardPath();
}else{
phonePicsPath = getFilesDir().getAbsolutePath();
}
/**
* 遍历 "system/etc/vold.fstab” 文件，获取全部的Android的挂载点信息
*
* @return
*/
private static ArrayList<String> getDevMountList() {
String[] toSearch = FileUtils.readFile("/system/etc/vold.fstab").split(" ");
ArrayList<String> out = new ArrayList<String>();
for (int i = 0; i < toSearch.length; i++) {
if (toSearch[i].contains("dev_mount")) {
if (new File(toSearch[i + 2]).exists()) {
out.add(toSearch[i + 2]);
}
}
}
return out;
}
/**
* 获取扩展SD卡存储目录
*
* 如果有外接的SD卡，并且已挂载，则返回这个外置SD卡目录
* 否则：返回内置SD卡目录
*
* @return
*/
public static String getExternalSdCardPath() {
if (SDCardUtils.isMounted()) {
File sdCardFile = new File(Environment.getExternalStorageDirectory().getAbsolutePath());
return sdCardFile.getAbsolutePath();
}
String path = null;
File sdCardFile = null;
ArrayList<String> devMountList = getDevMountList();
for (String devMount : devMountList) {
File file = new File(devMount);
if (file.isDirectory() && file.canWrite()) {
path = file.getAbsolutePath();
String timeStamp = new SimpleDateFormat("ddMMyyyy_HHmmss").format(new Date());
File testWritable = new File(path, "test_" + timeStamp);
if (testWritable.mkdirs()) {
testWritable.delete();
} else {
path = null;
}
}
}
if (path != null) {
sdCardFile = new File(path);
return sdCardFile.getAbsolutePath();
}
return null;
}
FileUtils文件：
package com.zqsy.order.tools; /*** * 文件工具类 * @author zhangda * */ import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.util.ArrayList; import java.util.List; import android.text.TextUtils; /** * File Utils * <ul> * Read or write file * <li>[email protected] #readFile(String)} read file</li> * <li>[email protected] #readFileToList(String)} read file to string list</li> * <li>[email protected] #writeFile(String, String, boolean)} write file from String</li> * <li>[email protected] #writeFile(String, String)} write file from String</li> * <li>[email protected] #writeFile(String, List, boolean)} write file from String List</li> * <li>[email protected] #writeFile(String, List)} write file from String List</li> * <li>[email protected] #writeFile(String, InputStream)} write file</li> * <li>[email protected] #writeFile(String, InputStream, boolean)} write file</li> * <li>[email protected] #writeFile(File, InputStream)} write file</li> * <li>[email protected] #writeFile(File, InputStream, boolean)} write file</li> * </ul> * <ul> * Operate file * <li>[email protected] #moveFile(File, File)} or [email protected] #moveFile(String, String)}</li> * <li>[email protected] #copyFile(String, String)}</li> * <li>[email protected] #getFileExtension(String)}</li> * <li>[email protected] #getFileName(String)}</li> * <li>[email protected] #getFileNameWithoutExtension(String)}</li> * <li>[email protected] #getFileSize(String)}</li> * <li>[email protected] #deleteFile(String)}</li> * <li>[email protected] #isFileExist(String)}</li> * <li>[email protected] #isFolderExist(String)}</li> * <li>[email protected] #makeFolders(String)}</li> * <li>[email protected] #makeDirs(String)}</li> * </ul> * * @author <a href="http://www.trinea.cn" target="_blank">Trinea</a> 2012-5-12 */ public class FileUtils { public final static String FILE_EXTENSION_SEPARATOR = "."; private FileUtils() { throw new AssertionError(); } /** * read file * * @param filePath * @param charsetName The name of a supported [email protected] java.nio.charset.Charset </code>charset<code>} * @return if file not exist, return null, else return content of file * @throws RuntimeException if an error occurs while operator BufferedReader */ public static String readFile(String filePath) { String fileContent = ""; File file = new File(filePath); if (file == null || !file.isFile()) { return null; } BufferedReader reader = null; try { InputStreamReader is = new InputStreamReader(new FileInputStream(file)); reader = new BufferedReader(is); String line = null; int i = 0; while ((line = reader.readLine()) != null) { fileContent += line + " "; } reader.close(); return fileContent; } catch (IOException e) { e.printStackTrace(); } finally { if (reader != null) { try { reader.close(); } catch (IOException e) { e.printStackTrace(); } } } return fileContent; } /** * write file * * @param filePath * @param content * @param append is append, if true, write to the end of file, else clear content of file and write into it * @return return false if content is empty, true otherwise * @throws RuntimeException if an error occurs while operator FileWriter */ public static boolean writeFile(String filePath, String content, boolean append) { if (StringUtils.isEmpty(content)) { return false; } FileWriter fileWriter = null; try { makeDirs(filePath); fileWriter = new FileWriter(filePath, append); fileWriter.write(content); fileWriter.close(); return true; } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } finally { if (fileWriter != null) { try { fileWriter.close(); } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } } } } /** * write file * * @param filePath * @param contentList * @param append is append, if true, write to the end of file, else clear content of file and write into it * @return return false if contentList is empty, true otherwise * @throws RuntimeException if an error occurs while operator FileWriter */ public static boolean writeFile(String filePath, List<String> contentList, boolean append) { if (contentList == null || contentList.size() == 0) { return false; } FileWriter fileWriter = null; try { makeDirs(filePath); fileWriter = new FileWriter(filePath, append); int i = 0; for (String line : contentList) { if (i++ > 0) { fileWriter.write("/r/n"); } fileWriter.write(line); } fileWriter.close(); return true; } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } finally { if (fileWriter != null) { try { fileWriter.close(); } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } } } } /** * write file, the string will be written to the begin of the file * * @param filePath * @param content * @return */ public static boolean writeFile(String filePath, String content) { return writeFile(filePath, content, false); } /** * write file, the string list will be written to the begin of the file * * @param filePath * @param contentList * @return */ public static boolean writeFile(String filePath, List<String> contentList) { return writeFile(filePath, contentList, false); } /** * write file, the bytes will be written to the begin of the file * * @param filePath * @param stream * @return * @see [email protected] #writeFile(String, InputStream, boolean)} */ public static boolean writeFile(String filePath, InputStream stream) { return writeFile(filePath, stream, false); } /** * write file * * @param file the file to be opened for writing. * @param stream the input stream * @param append if <code>true</code>, then bytes will be written to the end of the file rather than the beginning * @return return true * @throws RuntimeException if an error occurs while operator FileOutputStream */ public static boolean writeFile(String filePath, InputStream stream, boolean append) { return writeFile(filePath != null ? new File(filePath) : null, stream, append); } /** * write file, the bytes will be written to the begin of the file * * @param file * @param stream * @return * @see [email protected] #writeFile(File, InputStream, boolean)} */ public static boolean writeFile(File file, InputStream stream) { return writeFile(file, stream, false); } /** * write file * * @param file the file to be opened for writing. * @param stream the input stream * @param append if <code>true</code>, then bytes will be written to the end of the file rather than the beginning * @return return true * @throws RuntimeException if an error occurs while operator FileOutputStream */ public static boolean writeFile(File file, InputStream stream, boolean append) { OutputStream o = null; try { makeDirs(file.getAbsolutePath()); o = new FileOutputStream(file, append); byte data[] = new byte[1024]; int length = -1; while ((length = stream.read(data)) != -1) { o.write(data, 0, length); } o.flush(); return true; } catch (FileNotFoundException e) { throw new RuntimeException("FileNotFoundException occurred. ", e); } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } finally { if (o != null) { try { o.close(); stream.close(); } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } } } } /** * move file * * @param sourceFilePath * @param destFilePath */ public static void moveFile(String sourceFilePath, String destFilePath) { if (TextUtils.isEmpty(sourceFilePath) || TextUtils.isEmpty(destFilePath)) { throw new RuntimeException("Both sourceFilePath and destFilePath cannot be null."); } moveFile(new File(sourceFilePath), new File(destFilePath)); } /** * move file * * @param srcFile * @param destFile */ public static void moveFile(File srcFile, File destFile) { boolean rename = srcFile.renameTo(destFile); if (!rename) { copyFile(srcFile.getAbsolutePath(), destFile.getAbsolutePath()); deleteFile(srcFile.getAbsolutePath()); } } /** * copy file * * @param sourceFilePath * @param destFilePath * @return * @throws RuntimeException if an error occurs while operator FileOutputStream */ public static boolean copyFile(String sourceFilePath, String destFilePath) { InputStream inputStream = null; try { inputStream = new FileInputStream(sourceFilePath); } catch (FileNotFoundException e) { throw new RuntimeException("FileNotFoundException occurred. ", e); } return writeFile(destFilePath, inputStream); } /** * read file to string list, a element of list is a line * * @param filePath * @param charsetName The name of a supported [email protected] java.nio.charset.Charset </code>charset<code>} * @return if file not exist, return null, else return content of file * @throws RuntimeException if an error occurs while operator BufferedReader */ public static List<String> readFileToList(String filePath, String charsetName) { File file = new File(filePath); List<String> fileContent = new ArrayList<String>(); if (file == null || !file.isFile()) { return null; } BufferedReader reader = null; try { InputStreamReader is = new InputStreamReader(new FileInputStream(file), charsetName); reader = new BufferedReader(is); String line = null; while ((line = reader.readLine()) != null) { fileContent.add(line); } reader.close(); return fileContent; } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } finally { if (reader != null) { try { reader.close(); } catch (IOException e) { throw new RuntimeException("IOException occurred. ", e); } } } } /** * get file name from path, not include suffix * ** getFileNameWithoutExtension(null) = null * getFileNameWithoutExtension("") = "" * getFileNameWithoutExtension(" ") = " " * getFileNameWithoutExtension("abc") = "abc" * getFileNameWithoutExtension("a.mp3") = "a" * getFileNameWithoutExtension("a.b.rmvb") = "a.b" * getFileNameWithoutExtension("c://") = "" * getFileNameWithoutExtension("c://a") = "a" * getFileNameWithoutExtension("c://a.b") = "a" * getFileNameWithoutExtension("c:a.txt//a") = "a" * getFileNameWithoutExtension("/home/admin") = "admin" * getFileNameWithoutExtension("/home/admin/a.txt/b.mp3") = "b" **
* @param filePath
* @return file name from path, not include suffix
* @see
*/
public static String getFileNameWithoutExtension(String filePath) {
if (StringUtils.isEmpty(filePath)) {
return filePath;
}int extenPosi = filePath.lastIndexOf(FILE_EXTENSION_SEPARATOR);
int filePosi = filePath.lastIndexOf(File.separator);
if (filePosi == -1) {
return (extenPosi == -1 ? filePath : filePath.substring(0, extenPosi));
}
if (extenPosi == -1) {
return filePath.substring(filePosi + 1);
}
return (filePosi < extenPosi ? filePath.substring(filePosi + 1, extenPosi) : filePath.substring(filePosi + 1));
}/**
* get file name from path, include suffix
*
** getFileName(null) = null * getFileName("") = "" * getFileName(" ") = " " * getFileName("a.mp3") = "a.mp3" * getFileName("a.b.rmvb") = "a.b.rmvb" * getFileName("abc") = "abc" * getFileName("c://") = "" * getFileName("c://a") = "a" * getFileName("c://a.b") = "a.b" * getFileName("c:a.txt//a") = "a" * getFileName("/home/admin") = "admin" * getFileName("/home/admin/a.txt/b.mp3") = "b.mp3" **
* @param filePath
* @return file name from path, include suffix
*/
public static String getFileName(String filePath) {
if (StringUtils.isEmpty(filePath)) {
return filePath;
}int filePosi = filePath.lastIndexOf(File.separator);
return (filePosi == -1) ? filePath : filePath.substring(filePosi + 1);
}/**
* get folder name from path
*
** getFolderName(null) = null * getFolderName("") = "" * getFolderName(" ") = "" * getFolderName("a.mp3") = "" * getFolderName("a.b.rmvb") = "" * getFolderName("abc") = "" * getFolderName("c://") = "c:" * getFolderName("c://a") = "c:" * getFolderName("c://a.b") = "c:" * getFolderName("c:a.txt//a") = "c:a.txt" * getFolderName("c:a//b//c//d.txt") = "c:a//b//c" * getFolderName("/home/admin") = "/home" * getFolderName("/home/admin/a.txt/b.mp3") = "/home/admin/a.txt" **
* @param filePath
* @return
*/
public static String getFolderName(String filePath) {if (StringUtils.isEmpty(filePath)) {
return filePath;
}int filePosi = filePath.lastIndexOf(File.separator);
return (filePosi == -1) ? "" : filePath.substring(0, filePosi);
}/**
* get suffix of file from path
*
** getFileExtension(null) = "" * getFileExtension("") = "" * getFileExtension(" ") = " " * getFileExtension("a.mp3") = "mp3" * getFileExtension("a.b.rmvb") = "rmvb" * getFileExtension("abc") = "" * getFileExtension("c://") = "" * getFileExtension("c://a") = "" * getFileExtension("c://a.b") = "b" * getFileExtension("c:a.txt//a") = "" * getFileExtension("/home/admin") = "" * getFileExtension("/home/admin/a.txt/b") = "" * getFileExtension("/home/admin/a.txt/b.mp3") = "mp3" **
* @param filePath
* @return
*/
public static String getFileExtension(String filePath) {
if (StringUtils.isBlank(filePath)) {
return filePath;
}int extenPosi = filePath.lastIndexOf(FILE_EXTENSION_SEPARATOR);
int filePosi = filePath.lastIndexOf(File.separator);
if (extenPosi == -1) {
return "";
}
return (filePosi >= extenPosi) ? "" : filePath.substring(extenPosi + 1);
}/**
* Creates the directory named by the trailing filename of this file, including the complete directory path required
* to create this directory. <br/>
* <br/>
* <ul>
* <strong>Attentions:</strong>
* <li>makeDirs("C://Users//Trinea") can only create users folder</li>
* <li>makeFolder("C://Users//Trinea//") can create Trinea folder</li>
* </ul>
*
* @param filePath
* @return true if the necessary directories have been created or the target directory already exists, false one of
* the directories can not be created.
* <ul>
* <li>if [email protected] FileUtils#getFolderName(String)} return null, return false</li>
* <li>if target directory already exists, return true</li>
* <li>return [email protected] java.io.File#makeFolder}</li>
* </ul>
*/
public static boolean makeDirs(String filePath) {
String folderName = getFolderName(filePath);
if (StringUtils.isEmpty(folderName)) {
return false;
}File folder = new File(folderName);
return (folder.exists() && folder.isDirectory()) ? true : folder.mkdirs();
}/**
* @param filePath
* @return
* @see #makeDirs(String)
*/
public static boolean makeFolders(String filePath) {
return makeDirs(filePath);
}/**
* Indicates if this file represents a file on the underlying file system.
*
* @param filePath
* @return
*/
public static boolean isFileExist(String filePath) {
if (StringUtils.isBlank(filePath)) {
return false;
}File file = new File(filePath);
return (file.exists() && file.isFile());
}/**
* Indicates if this file represents a directory on the underlying file system.
*
* @param directoryPath
* @return
*/
public static boolean isFolderExist(String directoryPath) {
if (StringUtils.isBlank(directoryPath)) {
return false;
}File dire = new File(directoryPath);
return (dire.exists() && dire.isDirectory());
}/**
* delete file or directory
* <ul>
* <li>if path is null or empty, return true</li>
* <li>if path not exist, return true</li>
* <li>if path exist, delete recursion. return true</li>
* <ul>
*
* @param path
* @return
*/
public static boolean deleteFile(String path) {
if (StringUtils.isBlank(path)) {
return true;
}File file = new File(path);
if (!file.exists()) {
return true;
}
if (file.isFile()) {
return file.delete();
}
if (!file.isDirectory()) {
return false;
}
for (File f : file.listFiles()) {
if (f.isFile()) {
f.delete();
} else if (f.isDirectory()) {
deleteFile(f.getAbsolutePath());
}
}
return file.delete();
}/**
* get file size
* <ul>
* <li>if path is null or empty, return -1</li>
* <li>if path exist and it is a file, return file size, else return -1</li>
* <ul>
*
* @param path
* @return returns the length of this file in bytes. returns -1 if the file does not exist.
*/
public static long getFileSize(String path) {
if (StringUtils.isBlank(path)) {
return -1;
}File file = new File(path);
return (file.exists() && file.isFile() ? file.length() : -1);
}
}
StringUtils文件
package com.zqsy.order.tools; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * String Utils * * @author <a href="http://www.trinea.cn" target="_blank">Trinea</a> 2011-7-22 */ public class StringUtils { private StringUtils() { throw new AssertionError(); } /** * is null or its length is 0 or it is made by space * ** isBlank(null) = true; * isBlank("") = true; * isBlank(" ") = true; * isBlank("a") = false; * isBlank("a ") = false; * isBlank(" a") = false; * isBlank("a b") = false; **
* @param str
* @return if string is null or its size is 0 or it is made by space, return true, else return false.
*/
public static boolean isBlank(String str) {
return (str == null || str.trim().length() == 0);
}/**
* is null or its length is 0
*
** isEmpty(null) = true; * isEmpty("") = true; * isEmpty(" ") = false; **
* @param str
* @return if string is null or its size is 0, return true, else return false.
*/
public static boolean isEmpty(CharSequence str) {
return (str == null || str.length() == 0);
}/**
* compare two string
*
* @param actual
* @param expected
* @return
* @see ObjectUtils#isEquals(Object, Object)
*/
public static boolean isEquals(String actual, String expected) {
return actual == expected || (actual == null ? expected == null : actual.equals(expected));
}/**
* get length of CharSequence
*
** length(null) = 0; * length(/"/") = 0; * length(/"abc/") = 3; **
* @param str
* @return if str is null or empty, return 0, else return [email protected] CharSequence#length()}.
*/
public static int length(CharSequence str) {
return str == null ? 0 : str.length();
}/**
* null Object to empty string
*
** nullStrToEmpty(null) = ""; * nullStrToEmpty("") = ""; * nullStrToEmpty("aa") = "aa"; **
* @param str
* @return
*/
public static String nullStrToEmpty(Object str) {
return (str == null ? "" : (str instanceof String ? (String)str : str.toString()));
}/**
* capitalize first letter
*
** capitalizeFirstLetter(null) = null; * capitalizeFirstLetter("") = ""; * capitalizeFirstLetter("2ab") = "2ab" * capitalizeFirstLetter("a") = "A" * capitalizeFirstLetter("ab") = "Ab" * capitalizeFirstLetter("Abc") = "Abc" **
* @param str
* @return
*/
public static String capitalizeFirstLetter(String str) {
if (isEmpty(str)) {
return str;
}char c = str.charAt(0);
return (!Character.isLetter(c) || Character.isUpperCase(c)) ? str : new StringBuilder(str.length())
.append(Character.toUpperCase(c)).append(str.substring(1)).toString();
}/**
* encoded in utf-8
*
** utf8Encode(null) = null * utf8Encode("") = ""; * utf8Encode("aa") = "aa"; * utf8Encode("啊啊啊啊") = "%E5%95%8A%E5%95%8A%E5%95%8A%E5%95%8A"; **
* @param str
* @return
* @throws UnsupportedEncodingException if an error occurs
*/
public static String utf8Encode(String str) {
if (!isEmpty(str) && str.getBytes().length != str.length()) {
try {
return URLEncoder.encode(str, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("UnsupportedEncodingException occurred. ", e);
}
}
return str;
}/**
* encoded in utf-8, if exception, return defultReturn
*
* @param str
* @param defultReturn
* @return
*/
public static String utf8Encode(String str, String defultReturn) {
if (!isEmpty(str) && str.getBytes().length != str.length()) {
try {
return URLEncoder.encode(str, "UTF-8");
} catch (UnsupportedEncodingException e) {
return defultReturn;
}
}
return str;
}/**
* get innerHtml from href
*
** getHrefInnerHtml(null) = "" * getHrefInnerHtml("") = "" * getHrefInnerHtml("mp3") = "mp3"; * getHrefInnerHtml("<a innerHtml</a>") = "<a innerHtml</a>"; * getHrefInnerHtml("<a>innerHtml</a>") = "innerHtml"; * getHrefInnerHtml("<a<a>innerHtml</a>") = "innerHtml"; * getHrefInnerHtml("<a href="baidu.com">innerHtml</a>") = "innerHtml"; * getHrefInnerHtml("<a href="baidu.com" title="baidu">innerHtml</a>") = "innerHtml"; * getHrefInnerHtml(" <a>innerHtml</a> ") = "innerHtml"; * getHrefInnerHtml("<a>innerHtml</a></a>") = "innerHtml"; * getHrefInnerHtml("jack<a>innerHtml</a></a>") = "innerHtml"; * getHrefInnerHtml("<a>innerHtml1</a><a>innerHtml2</a>") = "innerHtml2"; **
* @param href
* @return <ul>
* <li>if href is null, return ""</li>
* <li>if not match regx, return source</li>
* <li>return the last string that match regx</li>
* </ul>
*/
public static String getHrefInnerHtml(String href) {
if (isEmpty(href)) {
return "";
}String hrefReg = ".*<[//s]*a[//s]*.*>(.+?)<[//s]*/a[//s]*>.*";
Pattern hrefPattern = Pattern.compile(hrefReg, Pattern.CASE_INSENSITIVE);
Matcher hrefMatcher = hrefPattern.matcher(href);
if (hrefMatcher.matches()) {
return hrefMatcher.group(1);
}
return href;
}/**
* process special char in html
*
** htmlEscapeCharsToString(null) = null; * htmlEscapeCharsToString("") = ""; * htmlEscapeCharsToString("mp3") = "mp3"; * htmlEscapeCharsToString("mp3<") = "mp3<"; * htmlEscapeCharsToString("mp3>") = "mp3/>"; * htmlEscapeCharsToString("mp3&mp4") = "mp3&mp4"; * htmlEscapeCharsToString("mp3"mp4") = "mp3/"mp4"; * htmlEscapeCharsToString("mp3<>&"mp4") = "mp3/</>&/"mp4"; **
* @param source
* @return
*/
public static String htmlEscapeCharsToString(String source) {
return StringUtils.isEmpty(source) ? source : source.replaceAll("<", "<").replaceAll(">", ">")
.replaceAll("&", "&").replaceAll(""", "/"");
}/**
* transform half width char to full width char
*
** fullWidthToHalfWidth(null) = null; * fullWidthToHalfWidth("") = ""; * fullWidthToHalfWidth(new String(new char[] {12288})) = " "; * fullWidthToHalfWidth("！＂＃＄％＆) = "!/"#$%&"; **
* @param s
* @return
*/
public static String fullWidthToHalfWidth(String s) {
if (isEmpty(s)) {
return s;
}char[] source = s.toCharArray();
for (int i = 0; i < source.length; i++) {
if (source[i] == 12288) {
source[i] = ' ';
// } else if (source[i] == 12290) {
// source[i] = '.';
} else if (source[i] >= 65281 && source[i] <= 65374) {
source[i] = (char)(source[i] - 65248);
} else {
source[i] = source[i];
}
}
return new String(source);
}/**
* transform full width char to half width char
*
** halfWidthToFullWidth(null) = null; * halfWidthToFullWidth("") = ""; * halfWidthToFullWidth(" ") = new String(new char[] {12288}); * halfWidthToFullWidth("!/"#$%&) = "！＂＃＄％＆"; **
* @param s
* @return
*/
public static String halfWidthToFullWidth(String s) {
if (isEmpty(s)) {
return s;
}char[] source = s.toCharArray();
for (int i = 0; i < source.length; i++) {
if (source[i] == ' ') {
source[i] = (char)12288;
// } else if (source[i] == '.') {
// source[i] = (char)12290;
} else if (source[i] >= 33 && source[i] <= 126) {
source[i] = (char)(source[i] + 65248);
} else {
source[i] = source[i];
}
}
return new String(source);
}
}
原创文章，作者：Maggie-Hunter，如若转载，请注明出处：https://blog.ytso.com/3265.html