Java 使用SimpleDateFormat格式化小时
小时可以采用H、HH、H、HH、k、kk、k和kk格式。
实例源码：
源代码：
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import java.text.SimpleDateFormat;//时代Java 提供5
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import java.util.Date;7
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public class Main {10
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public static void main(String[] args) {13
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// create Date object16
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Date date = new Date();18
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// formatting hour in h (1-12 in AM/PM) format like 1, 2..12.21
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String strDateFormat = "h";23
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SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);25
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System.out.println("hour in h format : " + sdf.format(date));28
/** 来自 N o w J a v a . c o m**/29
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// formatting hour in hh (01-12 in AM/PM) format like 01, 02..12.31
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strDateFormat = "hh";33
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sdf = new SimpleDateFormat(strDateFormat);35
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System.out.println("hour in hh format : " + sdf.format(date));38
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// formatting hour in H (0-23) format like 0, 1...23.41
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strDateFormat = "H";43
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sdf = new SimpleDateFormat(strDateFormat);45
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System.out.println("hour in H format : " + sdf.format(date));48
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// formatting hour in HH (00-23) format like 00, 01..23.51
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strDateFormat = "HH";53
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sdf = new SimpleDateFormat(strDateFormat);55
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System.out.println("hour in HH format : " + sdf.format(date));58
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// formatting hour in k (1-24) format like 1, 2..24.61
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strDateFormat = "k";63
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sdf = new SimpleDateFormat(strDateFormat);65
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System.out.println("hour in k format : " + sdf.format(date));68
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// formatting hour in kk (01-24) format like 01, 02..24.71
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strDateFormat = "kk";73
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sdf = new SimpleDateFormat(strDateFormat);75
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System.out.println("hour in kk format : " + sdf.format(date));78
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// formatting hour in K (0-11 in AM/PM) format like 0, 1..11.81
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strDateFormat = "K";83
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