jsp：
<form method="post" id="createTable"> ?<table width="98%" border="0" cellspacing="0" cellpadding="0" align="center"> ???<tr> ?????<td height="10"></td> ???</tr> ???<tr id="tabtxt1" > ?????<td valign="top" align="center"><table width="100%" border="0" cellspacing="0" cellpadding="0"> ?????<tr><td> </td></tr> ??????<tr> ?????????<td height="24"> ???????????<label style="margin-left:50px; font-size:20px;">表名：</label> ???????????<input name="createTable.tableComments" type="text" class="input96 required" id="textfield3" maxlength="30" size="50" value="<s:property value="createTable.tableComments" />" /> ?????????</td> ???????</tr> ???<tr> ?????<td height="10"></td> ?????</tr> ???????<tr> ?????????<td><table width="100%" border="0" cellspacing="0" cellpadding="2" class="td00 table table-striped table-bordered table-hover"> ???????????<tr > ?????????????<th width="60px" >序号</th> ?????????????<th>字段名</th> ?????????????<th>字段类型</th> ?????????????<th width="10%" >操作</th> ???????????</tr> ???????????<s:iterator value="createTableColumnList" status="st"> ???????????<tr> ?????????????<td align="center"><s:property value="#st.index+1"/></td> ?????????????<td align="center"> ???????????????<input name="columnComments" class="input96 required" size="40" type="text" value="<s:property value="columnComments" />"/> ?????????????</td> ?????????????<td align="center"> ???????????????<select name ="dataType" style="width:150px;" > ?????????????????????<option <s:if test="‘VARCHAR2‘==dataType"> selected </s:if> value="VARCHAR2">字符串</option> ?????????????????????<option <s:if test="‘NUMBER(16)‘==dataType"> selected </s:if> value="NUMBER(16)">整数</option> ?????????????????????<option <s:if test="‘NUMBER(16,4)‘==dataType"> selected </s:if> value="NUMBER(16,4)">小数</option> ?????????????????????<option <s:if test="‘DATE‘==dataType"> selected </s:if> value="DATE">日期</option> ???????????????</select> ?????????????</td> ?????????????<td align="center"> ?????????????<a href="<%=request.getContextPath() %>/webmaster/filesmessage/createTableAction!deleteColumn.action"> ?????????????<img src="<%=request.getContextPath() %>/webmaster/images/delete.gif" width="18" height="21" alt="删除" title="删除"></a></td> ???????????</tr> ???????????</s:iterator> ?????????</table></td> ???????</tr> ???????<tr> ?????????<td><table width="100%" border="0" cellspacing="0" cellpadding="0" align="center"> ???????????<tr> ?????????????<td align="center"> ?????????????????<input ?type="submit" id="addTable" class="btn btn-info" value="新增字段" onClick="addColumn(‘add‘)"/> ?????????????????<input ?type="submit" id="saveTable" class="btn btn-info" value="提交" onClick="addColumn(‘save‘)"/> ?????????????????<input type="button" name="button" id="button" value="关闭" class="btn btn-light" onClick="window.close();return false();"> ?????????????</td> ?????????????</tr> ???????????</table></td> ?????????</tr> ?????</table> ?????</td> ???</tr></table></form>
java：
private List<CreateTableColumn> createTableColumnList;private String type;private String[] columnComments;private String[] dataType;public String addColumn() { ???if (null == createTableColumnList) { ???????createTableColumnList = new ArrayList<>(); ???} ???????if (null != columnComments) { ???????CreateTableColumn addCreateTableColumn = null; ???????for (int i=0; i < columnComments.length; i++) { ???????????addCreateTableColumn = new CreateTableColumn(); ???????????addCreateTableColumn.setColumnComments(columnComments[i]); ???????????addCreateTableColumn.setDataType(dataType[i]); ???????????createTableColumnList.add(addCreateTableColumn); ???????} ???} ???????if ("add".equals(type)) { ???????CreateTableColumn addCreateTableColumn = new CreateTableColumn(); ???????createTableColumnList.add(addCreateTableColumn); ???} else { ???????????} ???????return "createTableJsp";}public List<CreateTableColumn> getCreateTableColumnList() { ???return createTableColumnList;}public void setCreateTableColumnList(List<CreateTableColumn> createTableColumnList) { ???this.createTableColumnList = createTableColumnList;}public String getType() { ???return type;}public void setType(String type) { ???this.type = type;}public String[] getColumnComments() { ???return columnComments;}public void setColumnComments(String[] columnComments) { ???this.columnComments = columnComments;}public String[] getDataType() { ???return dataType;}public void setDataType(String[] dataType) { ???this.dataType = dataType;}将jsp页面的<s:iterator>的数据返回到action
原文地址：https://www.cnblogs.com/BobXie85/p/9817914.html