问使用存储过程按需加载JSTree

EN

$("#tree").jstree({ 
  "json_data" : {
     "ajax" : {
       "url" : "/yourwebservice/getnodechildren",
       "data" : function (node) { 
           //this is passed the node being opened
           //or -1 if it's the root node

           var dataToPass = {};

           if (node === -1) {
              //pass parameters to the webservice that will build and return
              //first two tree levels

              dataToPass = { 
                id : 0,
                initialLoad: true
              }; 
           }

           if (node.attr && node.attr("id") {
               dataToPass = {
                 id: node.attr("id"),
                 initialLoad: false
               }
           }

           return dataToPass;

        },
        "success" : function (dataFromWebservice) {
            //depending on how the webservice returns
            //data you may need to do this
            return dataFromWebservice.d;
        }
      }
    },
"plugins" : [ "themes", "json_data" ]
});