package com.hdl.photovoltaic.utils;
|
|
import android.text.TextUtils;
|
|
import com.zxing.utils.Strings;
|
|
import java.util.Iterator;
|
import java.util.regex.Pattern;
|
|
public class StringUtils {
|
public static final String EMPTY = "";
|
public static final String BLANK = " ";
|
public static final String EQUAL = "=";
|
public static final String AND = "&";
|
public static final String QMARK = "?";
|
public static final String TRUE = "true";
|
public static final String FALSE = "false";
|
public static final String CANCEL = "cancel";
|
public static final String NULL_STR = "null";
|
public static final String SUCCESS = "success";
|
public static final String FAIL = "fail";
|
public static final String ZERO = "0";
|
public static final String SEMICOLON = ";";
|
public static final String SPLITE = "/";
|
public static final String AT = "@";
|
public static final String COMMA = ",";
|
public static final String FILE_PRE = "file://";
|
public static final String HTTP_PRE = "http";
|
public static final String COLON = ":";
|
public static final String WRAP = "";
|
public static final String STAR = "*";
|
public static final String MORE = "...";
|
|
/**
|
* 去除字符串中的空格
|
*/
|
public static String trimAll(CharSequence s) {
|
if (s == null || s.length() == 0) return Strings.EMPTY;
|
StringBuilder sb = new StringBuilder(s.length());
|
for (int i = 0, L = s.length(); i < L; i++) {
|
char c = s.charAt(i);
|
if (c != ' ') sb.append(c);
|
}
|
return sb.toString();
|
}
|
|
/**
|
* 判断是否为手机号码
|
*/
|
public static boolean isPhoneNum(String phoneNum) {
|
if (phoneNum == null || phoneNum.length() != 11) return false;
|
if (!TextUtils.isDigitsOnly(phoneNum)) return false;
|
Pattern p = Pattern.compile("^((13[0-9])|(14[0-9])|(15[^4,\\D])|(17[0-9])|(18[0-9]))\\d{8}$");
|
return p.matcher(phoneNum).find();
|
}
|
|
/**
|
* 判断是否为座机号码
|
*/
|
public static boolean isTelNum(String num) {
|
if (TextUtils.isEmpty(num)) return false;
|
Pattern p = Pattern.compile("(\\(\\d{3,4}\\)|\\d{3,4}-|\\s)?\\d{8}");
|
return p.matcher(num).find();
|
}
|
|
/**
|
* 判断字符串中是否有中文，有中文返回true
|
*/
|
public static boolean isChinese(String string) {
|
boolean flag = false;
|
for (int i = 0, L = string.length(); i < L; i++) {
|
char c = string.charAt(i);
|
if ((c >= 0x4e00) && (c <= 0x9FA5)) {
|
flag = true;
|
} else {
|
return false;
|
}
|
}
|
return flag;
|
}
|
|
/**
|
* 判断字符长度是否在范围里面。 当start end 为 -1 时，表示字符长度不考虑上线或下线
|
*
|
* @param str
|
* @param start
|
* @param end
|
* @return
|
*/
|
public static boolean isLengthInRange(String str, int start, int end) {
|
boolean isInRange = true;
|
int length = str.length();
|
if (start != -1 && length < start) {
|
isInRange = false;
|
}
|
if (end != -1 && end < length) {
|
isInRange = false;
|
}
|
return isInRange;
|
}
|
|
/**
|
* 字符串转换为long型
|
*/
|
public static long toLong(String text, long defaultVal) {
|
if (TextUtils.isDigitsOnly(text)) {
|
try {
|
return Long.parseLong(text);
|
} catch (NumberFormatException e) {
|
}
|
}
|
return defaultVal;
|
}
|
|
/**
|
* 字符串转换为int
|
*/
|
public static int toInt(String text, int defaultVal) {
|
if (TextUtils.isDigitsOnly(text)) {
|
try {
|
return Integer.parseInt(text);
|
} catch (NumberFormatException e) {
|
}
|
}
|
return defaultVal;
|
}
|
|
|
public static String join(Iterable<?> iterable, String separator) {
|
|
// handle null, zero and one elements before building a buffer
|
if (iterable == null) {
|
return null;
|
}
|
Iterator<?> iterator = iterable.iterator();
|
if (!iterator.hasNext()) {
|
return EMPTY;
|
}
|
Object first = iterator.next();
|
if (!iterator.hasNext()) {
|
return toString(first);
|
}
|
|
// two or more elements
|
StringBuffer buf = new StringBuffer(256); // Java default is 16, probably too small
|
if (first != null) {
|
buf.append(first);
|
}
|
|
while (iterator.hasNext()) {
|
if (separator != null) {
|
buf.append(separator);
|
}
|
Object obj = iterator.next();
|
if (obj != null) {
|
buf.append(obj);
|
}
|
}
|
return buf.toString();
|
}
|
|
public static String toString(Object obj) {
|
return obj == null ? "" : obj.toString();
|
}
|
|
/**
|
* 判断是否为字符串是否为空
|
*/
|
public static boolean toBoolean(String property, boolean defaultVal) {
|
return property == null ? defaultVal : Boolean.valueOf(property);
|
}
|
|
public static String format(String str, Object... obj) {
|
try {
|
return String.format(str, obj);
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
return str;
|
}
|
}
|
