fix #1086

Author: AllenFang

src/BootstrapTable.js

@@ -910,6 +910,7 @@ class BootstrapTable extends Component {
         keys.push({
           field: column.props.dataField,
           format: column.props.csvFormat,
+          extraData: column.props.csvFormatExtraData,
           header: column.props.csvHeader || column.props.dataField,
           row: Number(column.props.row) || 0,
           rowSpan: Number(column.props.rowSpan) || 1,

src/TableHeaderColumn.js

@@ -244,6 +244,7 @@ TableHeaderColumn.propTypes = {
   sort: PropTypes.string,
   caretRender: PropTypes.func,
   formatExtraData: PropTypes.any,
+  csvFormatExtraData: PropTypes.any,
   filter: PropTypes.shape({
     type: PropTypes.oneOf(filterTypeArray),
     delay: PropTypes.number,

src/csv_export_util.js

@@ -44,8 +44,8 @@ function toString(data, keys) {
 
   data.map(function(row) {
     keys.map(function(col, i) {
-      const { field, format } = col;
-      const value = typeof format !== 'undefined' ? format(row[field], row) : row[field];
+      const { field, format, extraData } = col;
+      const value = typeof format !== 'undefined' ? format(row[field], row, extraData) : row[field];
       const cell = typeof value !== 'undefined' ? ('"' + value + '"') : '';
       dataString += cell;
       if (i + 1 < keys.length) dataString += ',';