SqlQuery

var sql_query = KQ.Query.SqlQuery.getInstance();
console.log(sql_query);
try {
   var options = {
     url: 'http://172.16.1.157:8699/KQGis/rest/services/zy',
     sql: "select distinct " + "XZBM" + " from " + "$$" + 145 + "$$",
   };

   sql_query.queryAsync(options,
     function query_good () {
       console.log('query_good');

       var data = sql_query.data();
       console.log('sql query data.length:' + data.length);

       data.forEach(function (d) {
         console.log(d.properties);
       })
     },
     function query_error () {
       console.log('query_error');
     });
 }
catch (e) {
   console.log('catch error:' + e);
 }