1 /**
2 * 检测日期字符串是否为合法
3 * @param dateStr
4 * @param format
5 * @return
6 */
7 public static final boolean checkDateFormat(String dateStr,String format) throws NumberFormatException{
8 if(dateStr == null || "".equals(dateStr) ) return false;
9 if(dateStr.length() != format.length()){
10 //alert(objName+"长度和格式("+format+")要求的不一致,请重新输入");
11 return false;
12 }
13 Integer year=null,month=null ,day=null,hour=null,minute= null,second= null;
14
15 if( "YYYY".equals(format)){
16 year = Integer. valueOf(dateStr);
17 } else if( "YYYYMM".equals(format)){
18 year = Integer.valueOf(dateStr.substring(0,4));
19 month = Integer.valueOf(dateStr.substring(4,6));
20 } else if( "YYYYMMDD".equals(format)){
21 year = Integer.valueOf(dateStr.substring(0,4));
22 month = Integer.valueOf(dateStr.substring(4,6));
23 day = Integer.valueOf(dateStr.substring(6,8));
24 } else if( "YYYYMMDD HH:MI".equals(format)){
25 year = Integer.valueOf(dateStr.substring(0,4));
26 month = Integer.valueOf(dateStr.substring(4,6));
27 day = Integer.valueOf(dateStr.substring(6,8));
28 hour = Integer.valueOf(dateStr.substring(9,11));
29 minute = Integer.valueOf(dateStr.substring(12,14));
30 } else if( "YYYYMMDD HH:MI:SS".equals(format)){
31 year = Integer.valueOf(dateStr.substring(0,4));
32 month = Integer.valueOf(dateStr.substring(4,6));
33 day = Integer.valueOf(dateStr.substring(6,8));
34 hour = Integer.valueOf(dateStr.substring(9,11));
35 minute = Integer.valueOf(dateStr.substring(12,14));
36 second = Integer.valueOf(dateStr.substring(15,17));
37 } else if( "YYYY-MM".equals(format)){
38 if(! _checkSpecial(dateStr,4,"-")) return false;
39 year = Integer.valueOf(dateStr.substring(0,4));
40 month = Integer.valueOf(dateStr.substring(5,7));
41 } else if( "YYYY-MM-DD".equals(format)){
42 if(! _checkSpecial(dateStr,4,"-")) return false;
43 if(! _checkSpecial(dateStr,7,"-")) return false;
44 year = Integer.valueOf(dateStr.substring(0,4));
45 month = Integer.valueOf(dateStr.substring(5,7));
46 day = Integer.valueOf(dateStr.substring(8,10));
47 } else if( "YYYY-MM-DD HH:MI:SS".equals(format)){
48 if(! _checkSpecial(dateStr,4,"-")) return false;
49 if(! _checkSpecial(dateStr,7,"-")) return false;
50 year = Integer.valueOf(dateStr.substring(0,4));
51 month = Integer.valueOf(dateStr.substring(5,7));
52 day = Integer.valueOf(dateStr.substring(8,10));
53 hour = Integer.valueOf(dateStr.substring(11,13));
54 minute = Integer.valueOf(dateStr.substring(14,16));
55 second = Integer.valueOf(dateStr.substring(17,19));
56 } else if( "YYYYMMDDHHMISS".equals(format)){
57 year = Integer.valueOf(dateStr.substring(0,4));
58 month = Integer.valueOf(dateStr.substring(4,6));
59 day = Integer.valueOf(dateStr.substring(6,8));
60 hour = Integer.valueOf(dateStr.substring(8,10));
61 minute = Integer.valueOf(dateStr.substring(10,12));
62 second = Integer.valueOf(dateStr.substring(12,14));
63 } else{
64 //alert(objName+"中定义的时间格式还不能处理!");
65 return false;
66 }
67
68 //check year
69 if(year != null){
70 if(year<1900 || year>2200){
71 //alert(objName+" 年份 应介于1900与2200之间，请重新输入！");
72 return false;
73 }
74
75 }
76 //check month
77 if(month != null){
78 if(month<1 || month >12){
79 //alert(objName+" 月份 应介于1与12之间，请重新输入！");
80 return false;
81 }
82 }
83 //check day
84 if(day != null){
85 if((day==0)||(day>31)){
86 //alert(objName+" 日 必须介于1与31之间！");
87 return false;
88 }
89 else if(day>28 && day<31){
90 if(month==2){
91 if(day!=29){
92 //alert(objName+year+"年"+month+"月无"+day+"日。");
93 return false;
94 }
95 else {
96 if((year%4)!=0){
97 //alert(objName+year+"年"+month+"月无"+day+"日。");
98 return false ;
99 }
100 else {
101 if((year%100==0)&&(year%400!=0)){
102 //alert(objName+year+"年"+month+"月无"+day+"日。");
103 return false ;
104 }
105 }
106 }
107 }
108 }
109
110 else if(day==31){
111 if((month==2)||(month==4)||(month==6)||(month==9)||(month==11)){
112 //alert(objName+month+"月无"+day+"日");
113 return false;
114 }
115 }
116 }
117 //check hour
118 if(hour != null){
119 if(hour<0 || hour >23){
120 //alert(objName+"小时应介于0与23之间，请重新输入！");
121 return false;
122 }
123 }
124 //check minute
125 if(minute != null){
126 if(minute<0 || minute >59){
127 //alert(objName+"小时应介于0与59之间，请重新输入！");
128 return false;
129 }
130 }
131 //check second
132 if(second != null){
133 if(second<0 || second >59){
134 //alert(objName+"秒应介于0与59之间，请重新输入！");
135 return false;
136 }
137 }
138 return true;
139 }
140
141 private static boolean _checkSpecial(String str, int pos,String identifier){
142 if(str.substring(pos,pos+1).equals(identifier)) return true ;
143 return false;
144 }
