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feat: 使用StringBuilder优化了字符串拼接 #222

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Merged
merged 1 commit into from
Apr 22, 2021
Merged

feat: 使用StringBuilder优化了字符串拼接 #222

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21 changes: 11 additions & 10 deletions APIJSONORM/src/main/java/apijson/StringUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,7 @@ public static String getString(Object[] array, String split) {
* @return
*/
public static String getString(Object[] array, String split, boolean ignoreEmptyItem) {
String s = "";
StringBuilder s = new StringBuilder("");
if (array != null) {
if (split == null) {
split = ",";
Expand All @@ -127,10 +127,10 @@ public static String getString(Object[] array, String split, boolean ignoreEmpty
if (ignoreEmptyItem && isEmpty(array[i], true)) {
continue;
}
s += ((i > 0 ? split : "") + array[i]);
s.append(((i > 0 ? split : "") + array[i]));
}
}
return getString(s);
return getString(s.toString());
}

//获取string,为null时返回"" >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Expand Down Expand Up @@ -540,20 +540,19 @@ public static String getNumber(String s, boolean onlyStart) {
return "";
}

String numberString = "";
StringBuilder numberString = new StringBuilder("");
String single;
for (int i = 0; i < s.length(); i++) {
single = s.substring(i, i + 1);
if (isNumer(single)) {
numberString += single;
numberString.append(single);
} else {
if (onlyStart) {
return numberString;
return numberString.toString();
}
}
}

return numberString;
return numberString.toString();
}

//提取特殊字符>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Expand Down Expand Up @@ -643,14 +642,16 @@ public static String getPrice(String price, int formatType) {
}

//单独写到getCorrectPrice? <<<<<<<<<<<<<<<<<<<<<<
String correctPrice = "";
String correctPrice;
StringBuilder correctPriceBuilder = new StringBuilder("");
String s;
for (int i = 0; i < price.length(); i++) {
s = price.substring(i, i + 1);
if (".".equals(s) || isNumer(s)) {
correctPrice += s;
correctPriceBuilder.append(s);
}
}
correctPrice = correctPriceBuilder.toString();
//单独写到getCorrectPrice? >>>>>>>>>>>>>>>>>>>>>>

Log.i(TAG, "getPrice <<<<<<<<<<<<<<<<<< correctPrice = " + correctPrice);
Expand Down