|
1 |
|
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107 |
public
string GetJsonFromDataTable(DataTable dt, int
total, bool
ShowFooter, string
fields, string
inputfiled, string
ShowMessage = "合计:", string
filter = "") { StringBuilder stringBuilder = new
StringBuilder(); if
(dt.Rows.Count == 0) { stringBuilder.Append("{ "); stringBuilder.Append("\"rows\":[ "); stringBuilder.Append("]"); stringBuilder.Append(","); stringBuilder.Append("\"total\":"); stringBuilder.Append(total); stringBuilder.Append(",\"footer\":["); stringBuilder.Append("]"); stringBuilder.Append("}"); return
stringBuilder.ToString(); } stringBuilder.Append("{ "); stringBuilder.Append("\"rows\":[ "); for
(int
i = 0; i < dt.Rows.Count; i++) { stringBuilder.Append("{ "); for
(int
j = 0; j < dt.Columns.Count; j++) { if
(j < dt.Columns.Count - 1) { stringBuilder.Append(string.Concat(new
string[] { "\"", dt.Columns[j].ColumnName.ToString().ToLower(), "\":\"", this.JsonCharFilter(dt.Rows[i][j].ToString()), "\"," })); } else { if
(j == dt.Columns.Count - 1) { stringBuilder.Append(string.Concat(new
string[] { "\"", dt.Columns[j].ColumnName.ToString().ToLower(), "\":\"", this.JsonCharFilter(dt.Rows[i][j].ToString()), "\"" })); } } } if
(i == dt.Rows.Count - 1) { stringBuilder.Append("} "); } else { stringBuilder.Append("}, "); } } stringBuilder.Append("]"); stringBuilder.Append(","); stringBuilder.Append("\"total\":"); stringBuilder.Append(total); if
(ShowFooter && fields.Length > 0 && inputfiled.Length > 0) { stringBuilder.Append(",\"footer\":[{"); stringBuilder.Append(string.Concat(new
string[] { "\"", inputfiled, "\":\"<span style=‘color:red; font-weight:bold‘>", ShowMessage, "</span>\"," })); string[] array = fields.Split(new
char[] { ‘,‘ }); for
(int
k = 0; k < array.Length; k++) { if
(k < array.Length - 1) { stringBuilder.Append(string.Concat(new
object[] { "\"", array[k], "\":\"", dt.Compute("sum("
+ array[k] + ")", filter), "\"," })); } else { stringBuilder.Append(string.Concat(new
object[] { "\"", array[k], "\":\"", dt.Compute("sum("
+ array[k] + ")", filter), "\"" })); } } stringBuilder.Append("}]"); } stringBuilder.Append("}"); return
stringBuilder.ToString(); } |
Datatable 生成json格式,布布扣,bubuko.com
原文：http://www.cnblogs.com/zhang9418hn/p/3718641.html