SqlQuery
从服务器中进行SQL查询
Example:
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);
}
Static Method Summary
Static Public Methods | ||
public static |
获取实例对象 (单例模式) |
Method Summary
Public Methods | ||
public |
获取数据 |
|
public |
获取最后的错误信息 |
|
public |
服务器是否返回了错误 |
|
public |
queryAsync(options: Object, function_good: function(): null, function_error: function(): null): Promise<TResult> 从服务器中进行SQL查询 |