文本框工具類--TextViewUtil

本工具類功能：

給TextView設置部分大小
給TextView設置部分顏色
給TextView設置下劃線
半角轉換為全角
去除特殊字符或將所有中文標號替換為英文標號

/**


Created by peng on 2015/06/16.
文本框工具類
*/
public class TextViewUtil {
//給TextView設置部分大小
 public static void setPartialSize(TextView tv, int start, int end, int textSize) {

 String s = tv.getText().toString();
 Spannable spannable = new SpannableString(s);
 spannable.setSpan(new AbsoluteSizeSpan(textSize), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 tv.setText(spannable);

}
//給TextView設置部分顏色
 public static void setPartialColor(TextView tv, int start, int end, int textColor) {

 String s = tv.getText().toString();
 Spannable spannable = new SpannableString(s);
 spannable.setSpan(new ForegroundColorSpan(textColor), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 tv.setText(spannable);

}
//給TextView設置下劃線
 public static void setUnderLine(TextView tv) {

 if (tv.getText() != null) {
     String udata = tv.getText().toString();
     SpannableString content = new SpannableString(udata);
     content.setSpan(new UnderlineSpan(), 0, udata.length(), 0);
     tv.setText(content);
     content.setSpan(new UnderlineSpan(), 0, udata.length(), 0);
 } else {
     tv.getPaint().setFlags(Paint.UNDERLINE_TEXT_FLAG);
 }

}
//取消TextView的置下劃線
 public static void clearUnderLine(TextView tv) {

 tv.getPaint().setFlags(0);

}
//半角轉換為全角
 public static String ToDBC(String input) {

 char[] c = input.toCharArray();
 for (int i = 0; i < c.length; i++) {
     if (c[i] == 12288) {
         c[i] = (char) 32;
         continue;
     }
     if (c[i] > 65280 && c[i] < 65375)
         c[i] = (char) (c[i] - 65248);
 }
 return new String(c);

}
//去除特殊字符或將所有中文標號替換為英文標號
 public static String replaceCharacter(String str) {

 str = str.replaceAll("【", "[").replaceAll("】", "]")
         .replaceAll("！", "!").replaceAll("：", ":").replaceAll("（", "(").replaceAll("（", ")");// 替換中文標號
 String regEx = "[『』]"; // 清除掉特殊字符
 Pattern p = Pattern.compile(regEx);
 Matcher m = p.matcher(str);
 return m.replaceAll("").trim();

}


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