ACE代码编辑器，代码提示，添加自定义数据

//设置自动提示代码
var setCompleteData = function(data) {
    var langTools = ace.require("ace/ext/language_tools");
    langTools.addCompleter({
        getCompletions: function(editor, session, pos, prefix, callback) {
            if (prefix.length === 0) {
                return callback(null, []);
            } else {
                return callback(null, data);
            }
        }
    });
}