package allone.verbank.apad.client.component;import android.text.InputFilter;import android.text.Spanned;/** *  * @Title: ComponentDigitCtrlFilter.java  * @Package allone.verbank.apad.client.component  * @Description: 為了限制edit根據商品輸入指定的位數和小數位 * @author qiulinhe qiu.linhe@allone.cn  */public class ComponentDigitCtrlFilter implements InputFilter { private boolean isJPY; private int digit; public ComponentDigitCtrlFilter(boolean isJPY, int digit) { this.isJPY = isJPY; this.digit = digit; } @Override public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { // 刪除等特殊字符，直接返回 if ("".equals(source.toString())) { return null; } String oriValue = dest.toString(); StringBuffer sb = new StringBuffer(oriValue); sb.append(source); String newValue = sb.toString(); String[] newValueVec = newValue.split("//."); if (newValueVec.length == 2) { double number = Double.parseDouble(newValueVec[0]); boolean numberflag = true; if (isJPY) { numberflag = ((number - 999 > 0.000001) ? false : true); } else { numberflag = ((number - 99 > 0.000001) ? false : true); } boolean digitflag = true; try { String digitNumber = newValueVec[1]; digitflag = digitNumber.toCharArray().length > digit ? false : true; } catch (Exception ex) { digitflag = false; } if (numberflag && digitflag) { return source; } else { return ""; } } else { double value = Double.parseDouble(newValue); if (isJPY) { return value > 999 ? "" : source; } else { return value > 99 ? "" : source; } } // dest.subSequence(dstart, dend) }}