第一步编写DataGridColumnTag（表格列）
public class DataGridColumnTag extends BaseGeneralVarTagBinding{
@Override
public void render() {
}
}
第二步编写DataGridOptTag（操作列）
public class DataGridOptTag extends BaseGeneralVarTagBinding{
@Override
public void render(){
}
}
第三步编写DataGridTag（表格属性）
/**
* @ClassName: DateGridTag
* @Description:表格标签
* @author 杨力
* @date 2016年11月28日 下午9:39:31
*
*/
public class DataGridTag extends BaseGeneralVarTagBinding{
public List columnOptList = new ArrayList<>();//操作列集合
public List columnImgList = new ArrayList<>();//操作列集合
protected List columnValueList = new ArrayList();// 值替换集合
protected List columnQueryList = new ArrayList();// 查询列集合
public String tableName;//表名
@Override
public void render() {
this.getBodyContent();
DataGrid dataGrid = initParam(DataGrid.class, super.args);
tableName = dataGrid.getId();
StringBuffer buffer = new StringBuffer();
StringBuffer queryBuffer = new StringBuffer();
try {
setTableBegin(dataGrid, buffer);
List columnList = getColumn();
for (TagNestContext column : columnList) {
if("tr".equals(column.getTags()[0])){
setColumn(initParam(DataGridColumn.class, column.getTags()), buffer);
}else if("opt".equals(column.getTags()[0])){
columnOptList.add(initParam(DataGridOpt.class, column.getTags()));
}
}
setTableEnd(dataGrid, buffer);
buffer.append("");
setSearchPage(dataGrid, queryBuffer);//设置搜索表单
queryBuffer.append(buffer);
ctx.byteWriter.writeString(queryBuffer.toString());
clearList();//清理集合
} catch (IOException e) {
e.printStackTrace();
}
}
public void setSearchPage(DataGrid dataGrid,StringBuffer buffer){
if(dataGrid.isShowSearch()){
buffer.append("\n");
buffer.append("\n");
buffer.append("");
}
}
public void setTableBegin(DataGrid dataGrid,StringBuffer buffer){
buffer.append("");
if(dataGrid.isCheckbox()){
buffer.append("
");
}
public void setColumn(DataGridColumn column,StringBuffer buffer){
buffer.append(""+column.getText()+" ");
//值替换
if (ToolString.isNotEmpty(column.getReplace()))
{
String[] test = column.getReplace().split(",");
String text = "";
String value = "";
for (String string : test)
{
text += string.substring(0, string.indexOf("_")) + ",";
value += string.substring(string.indexOf("_") + 1) + ",";
}
setColumnReplace(column.getField(), text, value);
}
//数据字典
if (ToolString.isNotEmpty(column.getDict()))
{
String text = "";
String value = "";
List typeList = CacheKit.get(Constant.CACHE_NAME_SYSTEM_TYPE, ThreadParamInit.CACHESTART_TYPE + column.getDict());
if (typeList != null && !typeList.isEmpty())
{
for (TType type : typeList)
{
text += type.getName() + ",";
value += type.getCode() + ",";
}
setColumnReplace(column.getField(), text, value);
}
}
//图片列
if(column.getImage()){
columnImgList.add(column);
}
//查询列
if(column.getQuery()){
columnQueryList.add(column);
}
}
public void setOptColumn(StringBuffer buffer){
TagUtil.setOptColumn(columnOptList, buffer, tableName);
}
public List getColumn(){
HttpServletRequest request = (HttpServletRequest) this.ctx.getGlobal("request");
TagNestContext tnc = (TagNestContext) request.getAttribute("tagContext");
List list = tnc.getChildren();
return list;
}
/**
* @Title: searchForm
* @Description: 组装搜索方法
* @param @param buffer 设定文件
* @return void 返回类型
* @throws
*/
public void setSearchForm(StringBuffer buffer,DataGrid dataGrid){
//搜索方法开始
buffer.append("function search_"+tableName+"(){\n");
if(dataGrid.treeTable){
buffer.append("$('#"+tableName+"').treegrid('load',\n");
}else{
buffer.append("$('#"+tableName+"').datagrid('load',\n");
}
buffer.append("serializeObject($('#form_"+tableName+"'))\n");
buffer.append(");};");
//清除查询条件、返回初始数据展示状态
if(dataGrid.treeTable){
buffer.append("function clean_"+tableName+"(){$('#"+tableName+"').treegrid('load',{});$(':input','#form_"+tableName+"').not(':button, :submit, :reset') .val('') .removeAttr('checked') .removeAttr('selected');}");
}else{
buffer.append("function clean_"+tableName+"(){$('#"+tableName+"').datagrid('load',{});$(':input','#form_"+tableName+"').not(':button, :submit, :reset') .val('') .removeAttr('checked') .removeAttr('selected');}");
}
}
public void clearList(){
tableName = null;
columnOptList.clear();
columnValueList.clear();
columnImgList.clear();
columnQueryList.clear();
}
/**
* @Title: 获取图片列方法
* @author:YangLi
* @param @param buffer 设定文件
* @return void 返回类型
* @throws
*/
private void getImgColumn(StringBuffer buffer){
for (DataGridColumn column : columnImgList) {
buffer.append("function "+column.getField()+"Img(value,rec,index){");
if(ToolString.isEmpty(column.getImageWidth())){
buffer.append(" if(value == \"\" || value == null){return '![](\"/common/plug-in/main/images/zanwu.jpg\"/)
'}");
buffer.append(" return '![](\"'+value+'\"/)
'}");
}else{
buffer.append(" if(value == \"\" || value == null){return ''}");
buffer.append(" return ''}");
}
}
}
/**
*
* Summary: setColumn(设置字段替换值)
*
* @param name
* @param text
* @param value
*/
public void setColumnReplace(String name, String text, String value)
{
DataGridColumnReplace columnValue = new DataGridColumnReplace();
columnValue.setName(name);
columnValue.setText(text);
columnValue.setValue(value);
columnValueList.add(columnValue);
}
protected void setReplace(StringBuffer buffer){
// 值替換
if (columnValueList.size() > 0)
{
for (DataGridColumnReplace columnValue : columnValueList)
{
String testString = "";
String[] value = columnValue.getValue().split(",");
String[] text = columnValue.getText().split(",");
buffer.append("function "+columnValue.getName()+"Replace(value,rec,index){");
for (int j = 0; j < value.length; j++)
{
if(value[j] == "' '" || "' '".equals(value[j])){
value[j] = "";
}
testString += "if(value=='" + value[j]+ "'){return \'" + text[j] + "\'}";
}
buffer.append(testString);
buffer.append("else{return value}");
buffer.append("}");
}
}
}
}
第四步编写标签工具类TagUtil
/**
*
* @ClassName : TagUtil
* 标签工具类
* @author : YangLi
* @date : 2015年6月3日 下午2:30:29
*
*/
@SuppressWarnings({ "rawtypes", "unchecked" ,"static-access"})
public class TagUtil {
/**
* @Title: setOptColumn
* @Description: 设置操作列
* @param @param listOpt
* @param @param buffer
* @param @param tableName 设定文件
* @return void 返回类型
* @throws
*/
public static void setOptColumn(List listOpt,StringBuffer buffer,String tableName){
if(listOpt == null || listOpt.size() == 0) return;
buffer.append("function formatter_opt_"+tableName+"(val,row,index){ ");
buffer.append("var href='';");
String url = null;
for (DataGridOpt opt : listOpt) {
url = opt.getUrl();
MessageFormat formatter = new MessageFormat("");
if (opt.getValue() != null)
{
String[] testvalue = opt.getValue().split(",");
List value = new ArrayList