1: public class DataColumn {
2: private boolean readOnly; // 只读
3:
4: private DataTable table; //dataTable的引用
5:
6: private String columnName; //列名
7:
8: private String captionName; //显示名称
9:
10: private int columnIndex;//列索引
11:
12: private int dataType;//列数据类型
13:
14: private String dataTypeName;//数据类型名称
15:
16: public DataColumn() {
17: this("default1");
18: }
19:
20: public DataColumn(int dataType) {
21: this("default1", dataType);
22: }
23:
24: public DataColumn(String columnName) {
25: this(columnName, 0);
26: }
27:
28: public DataColumn(String columnName, int dataType) {
29: this.setDataType(dataType);
30: this.columnName = columnName;
31: }
32:
33: public String getColumnName() {
34: return this.columnName;
35: }
36:
37: public void setColumnName(String columnName) {
38: this.columnName = columnName;
39: }
40:
41: public String getCaptionName() {
42: return captionName;
43: }
44:
45: public void setCaptionName(String captionName) {
46: this.captionName = captionName;
47: }
48:
49: public boolean isReadOnly() {
50: return this.readOnly;
51: }
52:
53: public void setReadOnly(boolean readOnly) {
54: this.readOnly = readOnly;
55: }
56:
57: public DataTable getTable() {
58: return this.table;
59: }
60:
61: public void setTable(DataTable table) {
62: this.table = table;
63: }
64:
65: /**
66: * @param dataType
67: */
68: public void setDataType(int dataType) {
69: this.dataType = dataType;
70: }
71:
72: /**
73: * @return the dataType
74: */
75: public int getDataType() {
76: return dataType;
77: }
78:
79: /**
80: * @param columnIndex
81: */
82: public void setColumnIndex(int columnIndex) {
83: this.columnIndex = columnIndex;
84: }
85:
86: /**
87: * @return the columnIndex
88: */
89: public int getColumnIndex() {
90: return columnIndex;
91: }
92:
93: public String getDataTypeName() {
94: return DataTypes.getDataTypeName(dataType);
95: }
96:
97: /**
98: * 功能描述： 将输入数据转为当前列的数据类型返回
99: * @param
103: */
104: public Object convertTo(Object value) {
105: return value;
106: }
107:
108: @Override
109: public String toString(){
110: return this.columnName;
111: }
112: }
1: import java.util.LinkedHashMap;
2: import java.util.Map;
3:
4: public class DataRow {
5: //定义该行记录在table所处的行数
6: private int rowIndex = -1;
7: private DataColumnCollection columns;
8: //table的一个引用
9: private DataTable table;
10: //用于存储数据的Map对象，这里保存的对象不包括顺序信息，数据获取的索引通过行信息标识
11: private Map<String, Object> itemMap = new LinkedHashMap<String, Object>();
12:
13: public DataRow() {
14:
15: }
16:
17: public DataRow(DataTable table) {
18: this.table = table;
19: }
20:
21: /**
22: * 功能描述： 获取当前行的行索引
23: * @param
24: * @return: int
25: */
26: public int getRowIndex() {
27: return rowIndex;
28: }
29:
30: /**
31: * 功能描述： 获取当前行所属数据表对象
32: * @param
33: * @return: DataTable
34: */
35: public DataTable getTable() {
36: return this.table;
37: }
38:
39: /**
40: * @param columns
41: */
42: public void setColumns(DataColumnCollection columns) {
43: this.columns = columns;
44: }
45:
46: /**
47: * @return the columns
48: */
49: public DataColumnCollection getColumns() {
50: return columns;
51: }
52:
53: public void setValue(int index,
54: Object value) {
55: setValue(this.columns.get(index), value);
56: }
57:
58: public void setValue(String columnName,
59: Object value) {
60: setValue(this.columns.get(columnName), value);
61: }
62:
63: public void setValue(DataColumn column,
64: Object value) {
65: if (column != null) {
66: String lowerColumnName = column.getColumnName().toLowerCase();
67: if (getItemMap().containsKey(lowerColumnName))
68: getItemMap().remove(lowerColumnName);
69: getItemMap().put(lowerColumnName, column.convertTo(value));
70: }
71: }
72:
73: public Object getValue(int index) {
74: String colName = this.columns.get(index).getColumnName().toLowerCase();
75: return this.getItemMap().get(colName);
76: }
77:
78: public Object getValue(String columnName) {
79: return this.getItemMap().get(columnName.toLowerCase());
80: }
81:
82: /**
83: * @return the itemMap
84: */
85: public Map<String, Object> getItemMap() {
86: return itemMap;
87: }
88:
89: /**
90: * @param rowIndex
91: */
92: public void setRowIndex(int rowIndex) {
93: this.rowIndex = rowIndex;
94: }
95:
96: public void copyFrom(DataRow row) {
97: this.itemMap.clear();//首先请客当前记录
98: for (Object c : this.columns) {
99: this.itemMap.put(c.toString().toLowerCase(), row.getValue(c.toString()));
100: }
101: }
102: }
转载于:https://www.cnblogs.com/hjzhang/archive/2011/05/21/2052787.html