Java中前台往后台传递多个id参数的实例

function saveRoleAdd() {    var roleNames = $('#roleNames').textbox("getText");  var roleDetail = {};   roleDetail.roleNames = roleNames;  roleDetail.roleFunctionCount = 0;  roleDetail.roleFunctionList = [];    if(roleNames.length < 0 || roleNames.length == 0)  {   $.messager.alert("提示","请输入角色名");   return;  }      var funNodeList = $('#roleFuntionTree').tree('getChecked', 'indeterminate');  var funLeafList = $('#roleFuntionTree').tree('getChecked');    if(funNodeList.length <=0 && funLeafList.length <= 0)  {   $.messager.alert("提示","请选择权限节点");   return;  }     Array.prototype.push.apply(funNodeList, funLeafList); //将两个lis合并为一个数组    var roleFunList = "";  var roleFunNameList = "";  for(var i=0; i < funNodeList.length; i++)  {   if (!isEmptyTarget(funNodeList[i].id))   {    if(!isEmptyTarget(roleFunList))    {    roleFunList += ",";  //拼接成用逗号隔开的字符串,里面是id    roleFunNameList += ","; //拼接成用逗号隔开的字符串，里面text    }    roleFunList += funNodeList[i].id;    roleFunNameList += funNodeList[i].text;        var funDetail = {};    funDetail.funId = parseInt(funNodeList[i].id);    roleDetail.roleFunctionList.push(funDetail);     }  }  roleDetail.roleFunctionCount = roleDetail.roleFunctionList.length;     var rows = $("#tblRoleDetail").datagrid("getRows");  for (var i = 0; i < rows.length; i++)  {   if (roleNames == rows[i].roleNames)   {    $.messager.alert("提示","重复的角色名!");    return;   }  }    $('#tblRoleDetail').datagrid('appendRow',   {    roleNames:roleNames,    funId:roleFunNameList    }  );        $.ajax(   {    type : "POST",    url : "permiss-manager/setRoleDetail.action?_dc=" + Math.random(),    data :   {    roleName:roleNames,    roleDetailData : roleFunList,   },    dataType : "json",   success : function(result)   {    $.messager.alert("提示",result.result);    closeRoleAdd();    refreshRoleSelectTree();   }   });       $('#rolePanel').panel('refresh', "afc/page/permission-manager/role-main.jsp");   }

@Action("setRoleDetail") public void setRoleDetail() {  webLogService.writeWebLog(ServletActionContext.getRequest().getSession().getAttribute("userId").toString(), "新增角色", ServletActionContext.getRequest().getRemoteAddr());  String roleName = ServletActionContext.getRequest().getParameter("roleName");  String roleDetailJsonData = ServletActionContext.getRequest().getParameter("roleDetailData");  // 这一部分就是转成一个list。下面调用方式直接传一个list过去   List<Integer> funIdList = new ArrayList<Integer>();  String [] arrar = StringUtils.split(roleDetailJsonData, ",");  for (int i = 0; i < arrar.length; i++)  {   Integer funId = null;   if(NumberUtils.isNumber(arrar[i]))   {    funId = NumberUtils.toInt(arrar[i]);    funIdList.add(funId);   }     }   permissionService.setRole(roleName, funIdList);  try  {   HttpServletResponse response = ServletActionContext.getResponse();   response.setCharacterEncoding("utf-8");   JSONObject result = new JSONObject();   result.accumulate("result", "角色新增成功");   response.getWriter().write(result.toString());  } catch (Exception e)  {   e.printStackTrace();  } }

function saveRoleEdit() {   var roleNames = $('#roleNames').textbox("getText");  var roleDetail = {};  roleDetail.roleFunctionCount = 0;  roleDetail.roleFunctionList = [];  if(roleNames.length < 0 || roleNames.length == 0)  {   $.messager.alert("提示","请输入角色名");   return;  }  var funNodeList = $("#roleFuntionTree").tree('getChecked','indeterminate');  var funLeafList = $('#roleFuntionTree').tree('getChecked');  if(funNodeList.length <=0 && funLeafList.length <= 0)  {   $.messager.alert("提示","请选择权限节点");   return;  }     Array.prototype.push.apply(funNodeList, funLeafList); // funNodeList,funLeafList两个数组都变成合并后的数组  var roleFunArray = [];  for(var i=0; i < funNodeList.length; i++)  {   if (!isEmptyTarget(funNodeList[i].id))   {    roleFunArray.push(funNodeList[i].id);   }  }   alert("权限ID Array为 ：" + JSON.stringify(roleFunArray));  $.ajax(  {    type : "POST",    url : "permiss-manager/modifyRoleAuthority.action?_dc=" + Math.random(),    data :   {    roleName:roleNames,    roleDetailStr:JSON.stringify(roleFunArray),   },   success : function(result)   {   if(result == "success")    {    $.messager.alert("提示","修改权限成功！","info");    editRoleDialog();    refreshRoleSelectTree();       }   else   {    $.messager.alert("提示","修改权限失败！","info");   }   }   });  }

@Action("modifyRoleAuthority") public void modifyRoleAuthority() throws IOException {  HttpServletResponse response = ServletActionContext.getResponse();  response.setCharacterEncoding("utf-8");    webLogService.writeWebLog(ServletActionContext.getRequest().getSession().getAttribute("userId").toString(), "权限给予", ServletActionContext.getRequest().getRemoteAddr());  String roleName = ServletActionContext.getRequest().getParameter("roleName");  String newFuncListStr = ServletActionContext.getRequest().getParameter("roleDetailStr");    if(!StringUtils.isEmpty(roleName) && !StringUtils.isEmpty(newFuncListStr))  {   List<Integer> newFuncList = new ArrayList<Integer>();   //这种方法可以把前台传过来的String类型的值 每个转化成int 因为我这里之前dao爆了 就是因为String不能转化为Int的原因 这里可以转一下   JSONArray mJSONArray= JSONArray.fromObject(newFuncListStr);   newFuncList = Arrays.asList((Integer[])JSONArray.toArray(mJSONArray, Integer.class));   if(!newFuncList.isEmpty())   {    if(permissionService.setRole(roleName, newFuncList))    {     response.getWriter().write("success");    }    else    {     response.getWriter().write("fail");    }   }  } }