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Merge pull request #21 from lunasaw/2.5.4
2.5.4 精确计算，部分异步任务优化，性能计算
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127 changes: 127 additions & 0 deletions
127
src/main/java/com/luna/common/math/MathConvertUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package com.luna.common.math; | ||
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| import java.math.BigDecimal; | ||
| import java.math.RoundingMode; | ||
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| import org.apache.commons.lang3.StringUtils; | ||
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| public class MathConvertUtil { | ||
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| public static boolean asBoolean(Object obj, boolean defaultBoolean) { | ||
| if (obj == null) | ||
| return defaultBoolean; | ||
| try { | ||
| return Boolean.getBoolean(obj.toString()); | ||
| } catch (Exception ex) { | ||
| return defaultBoolean; | ||
| } | ||
| } | ||
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| public static int asInt(String entryStr) { | ||
| if (StringUtils.isEmpty(entryStr)) { | ||
| return 0; | ||
| } | ||
| try { | ||
| return Integer.parseInt(entryStr); | ||
| } catch (Exception ex) { | ||
| return 0; | ||
| } | ||
| } | ||
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| public static Integer asInteger(String entryStr) { | ||
| if (StringUtils.isEmpty(entryStr)) { | ||
| return null; | ||
| } | ||
| try { | ||
| return Integer.parseInt(entryStr); | ||
| } catch (Exception ex) { | ||
| return null; | ||
| } | ||
| } | ||
|
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| public static long asLong(String entryStr) { | ||
| if (StringUtils.isEmpty(entryStr)) { | ||
| return 0L; | ||
| } | ||
| try { | ||
| return Long.parseLong(entryStr); | ||
| } catch (Exception ex) { | ||
| return 0L; | ||
| } | ||
| } | ||
|
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| /** | ||
| * 这里保留2未精度 | ||
| * 入参500，出参5 | ||
| * | ||
| * @param entryStr | ||
| * @return | ||
| */ | ||
| public static double longConvert2Double(long entryStr) { | ||
| try { | ||
| return BigDecimal.valueOf(entryStr).divide( | ||
| BigDecimal.valueOf(100), 2, | ||
| RoundingMode.HALF_UP).doubleValue(); | ||
| } catch (Exception ex) { | ||
| return 0L; | ||
| } | ||
| } | ||
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| /** | ||
| * 转换成精确到2位精度 | ||
| * | ||
| * @param entryStr | ||
| * @return | ||
| */ | ||
| public static long doubleConvert2Long(double entryStr) { | ||
| try { | ||
| return BigDecimal.valueOf(entryStr).multiply( | ||
| BigDecimal.valueOf(100)).longValue(); | ||
| } catch (Exception ex) { | ||
| return 0L; | ||
| } | ||
| } | ||
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| public static boolean asBoolean(String entryStr) { | ||
| try { | ||
| return Boolean.parseBoolean(entryStr); | ||
| } catch (Exception ex) { | ||
| return false; | ||
| } | ||
| } | ||
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| public static Boolean asBooleanObject(String entryStr) { | ||
| if (StringUtils.isEmpty(entryStr)) { | ||
| return null; | ||
| } | ||
| try { | ||
| return Boolean.parseBoolean(entryStr); | ||
| } catch (Exception ex) { | ||
| return false; | ||
| } | ||
| } | ||
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| public static String asString(Object entryStr) { | ||
| if (null == entryStr) | ||
| return ""; | ||
| return entryStr.toString(); | ||
| } | ||
|
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| public static boolean isBlank(final CharSequence cs) { | ||
| int strLen; | ||
| if (cs == null || (strLen = cs.length()) == 0) { | ||
| return true; | ||
| } | ||
| for (int i = 0; i < strLen; i++) { | ||
| if (!Character.isWhitespace(cs.charAt(i))) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
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| public static void main(String[] args) { | ||
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| } | ||
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| } |
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