Datatable 生成json格式
浏览数：27 /
时间：2015年06月09日
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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(); } |
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