var T1 = this.options.form.getWidgetByName("t1").getValue();

var T2 = this.options.form.getWidgetByName("t2").getValue();

var T3 = this.options.form.getWidgetByName("t3").getValue();

var sql = "delete tag_supos WHERE  tag_date >= '" + T1 + "' and tag_date <= '" + T2 + "' and substring(tag_name,7,10) like '%" + T3 + "%' ";

alert(sql);

var va = FR.remoteEvaluate('SQL("数据集名称","' + sql + '",1,1)');

alert('清除数据成功!');

location.reload();