1
2 import java.io.UnsupportedEncodingException;
3
4 import javax.servlet.http.HttpServletRequest;
5
6
7 public class ParamUtil {
8
9
10 public static String getGBKStr(HttpServletRequest request, String s) {
11 String str = "";
12 try {
13 String temp = request.getParameter(s);
14 if (temp == null)
15 return str;
16 else
17 str = ISO2GBK(temp.trim());
18 } catch (Exception e){}
19 return str;
20 }
21
22 public static String getString(HttpServletRequest request, String s) {
23 String str = "";
24 try {
25 String temp = request.getParameter(s).trim();
26 if (temp == null)
27 return str;
28 else
29 str = temp;
30 } catch (Exception e){}
31 return str;
32 }
33
34
35
36 public static String getStringGBK(HttpServletRequest request, String s) {
37 String str = "";
38 try {
39 String temp = ISO2GBK(request.getParameter(s).trim());
40 if (temp == null)
41 return str;
42 else
43 str = temp;
44 } catch (Exception e){}
45 return str;
46 }
47
48
49
50 public static String getString2(HttpServletRequest request, String s) {
51 String str = " ";
52 try {
53 String temp = request.getParameter(s);
54 if (temp == null)
55 return str;
56 else
57 str = temp;
58 } catch (Exception e){}
59 return str;
60 }
61
62 public static int getInt(HttpServletRequest request,String s) {
63 int i = 0;
64 try {
65 String temp = getString(request,s);
66 if (temp.equals(""))
67 return i;
68 else
69 i = Integer.parseInt(temp);
70 } catch (NumberFormatException e) {}
71 return i;
72 }
73
74 public static long getLong(HttpServletRequest request,String s) {
75 long l = 0;
76 try {
77 String temp = getString(request,s);
78 if (temp.equals(""))
79 return l;
80 else
81 l = Long.parseLong(temp);
82 } catch (NumberFormatException e) {}
83 return l;
84 }
85
86 public static float getFloat(HttpServletRequest request,String s) {
87 float f = 0.0f;
88 try {
89 String temp = getString(request,s);
90 if (temp.equals(""))
91 return f;
92 else
93 f = Float.parseFloat(temp);
94 } catch (NumberFormatException e) {}
95 return f;
96 }
97
98 public static double getDouble(HttpServletRequest request,String s) {
99 double d = 0;
100 try {
101 String temp = getString(request,s);
102 if (temp.equals(""))
103 return d;
104 else
105 d = Double.parseDouble(temp);
106 } catch (NumberFormatException e) {}
107 return d;
108 }
109 public static String[] getValues(HttpServletRequest request,String s) {
110 return request.getParameterValues(s);
111 }
112
113 public static String ISO2GBK(String s) {
114 if (s == null){
115 s = "";
116 } else {
117 try {
118 s = new String(s.getBytes("ISO-8859-1"),"GBK");
119 } catch(UnsupportedEncodingException e) {
120 System.out.println("转码成功");
121 }
122 }
123 return s;
124 }
125
126 }
