Spent two days to use Google's API to do such a small thing, in fact, the real implementation code is not much, more than 10 lines. The time-consuming task is to understand the functionality of each API and debug JavaScript.
Here's a brief introduction to some of the functions I've used this time.
• constructor Google.search.LocalSearch ()
This is actually the creation of a localsearch service, like other service (News, blogs, Web), is for SearchControl use. These service determines the ability of SearchControl.
• Set the Localsearch search structure type
Localsearch.setrestriction (Google.search.Search.RESTRICT_TYPE, Google.search.LocalSearch.TYPE_KMLONLY_RESULTS)
This shows that the results of the search are not business, only KML and GeoCode results
• Set the search range for Localsearch
Localsearch.setcenterpoint ("Beijing");
google.search.searcheroptions ()
Set the properties of the search Service (Searcher) to be used as a property of Searchcontrol.addsearcher () with the following options:
1. Set how the results are displayed
Searcheroptions.setexpandmode (Google.search.SearchControl.EXPAND_MODE_OPEN);
2. Set the text displayed when the file does not have search results
searcheroptions.setnoresultsstring (Google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
3. Set the location where the results are displayed
Searcheroptions.setroot (Resultcanvas);
new Google.search.DrawOptions ();
Set the way Google Search control is displayed
Drawoptions.setdrawmode (Google.search.SearchControl.DRAW_MODE_TABBED)
Set display mode to tabbed, that is, each searcher like tabs display
Drawoptions.setinput (document.getElementById ("input"));
Change the default value of the search input box to a user-defined input box
Returns the user's choice of search results as a corresponding Gresult object, such as Localsearch's Gresult is a glocalresult.
This option took me a long time to find, the reason for two, one is the use of fewer people, fewer documents. The second is that I read the English document, took a long time to see, in fact, it takes a long time to see Chinese documents, I think.
Searchcontrol.setonkeepcallback (this, localsearchkeephandler);
By the way, paste the Localsearchkeephandler code, whose argument is the Gresult object that is automatically returned.
Copy Code code as follows:
function Localsearchkeephandler (Result) {
var from = document.getElementById ("from");
Alert ("Result.tilte =" + Result.title);
From.value = processstring (Result.title);
Alert ("From.value =" + From.value);
alert (result.title);
}
Simply post this code as a whole to facilitate reading
Copy Code code as follows:
Google.load ("Search", "1", {"Language": "ZH-CN"});
function Initialize () {
Localsearch Object used to create a local search service for the maps
var localsearch = new Google.search.LocalSearch ();
Restrict the local search Resutls to KML and GeoCode results only, no business ones
Localsearch.setrestriction (Google.search.Search.RESTRICT_TYPE, Google.search.LocalSearch.TYPE_KMLONLY_RESULTS);
Set The local Search center point
Localsearch.setcenterpoint ("Beijing");
It's about local search, which are used to set where the results'll appear, a param of options
var Resultcanvas = document.getElementById ("Resultcanvas");
Options:open, Alternate Root
var searcheroptions = new Google.search.SearcherOptions ();
Show many results
Searcheroptions.setexpandmode (Google.search.SearchControl.EXPAND_MODE_OPEN);
No results message
Searcheroptions.setnoresultsstring (Google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
Options.setdrawmode (Google.search.SearchControl.DRAW_MODE_TABBED),//web, local ... in a tab show
Searcheroptions.setroot (Resultcanvas); Show the results in another place--<div id= "Resultcanvas" >
SearchControl Object used to create a search service which'll include a local search service
var SearchControl = new Google.search.SearchControl (null);
Searchcontrol.addsearcher (Localsearch, searcheroptions);
Searchcontrol.addsearcher (New Google.search.WebSearch ());
Searchcontrol.addsearcher (New Google.search.NewsSearch ());
Searchcontrol.addsearcher (New Google.search.BlogSearch ());
Draw options and set it to a tabbed view,
var drawoptions = new Google.search.DrawOptions ();
Drawoptions.setdrawmode (Google.search.SearchControl.DRAW_MODE_TABBED)
Make the SearchControl return a Result:gresult
Searchcontrol.setonkeepcallback (this, localsearchkeephandler);//keeping a search result
This option is used to set the search box position in a DOM tree.
Drawoptions.setsearchformroot (document.getElementById ("drawoptions"));
Set the input box to a user defined element
Drawoptions.setinput (document.getElementById ("input"));
Tell the search box to draw itself and tell it where to attach
Searchcontrol.draw (document.getElementById ("SearchBox"), drawoptions);//here I changed fromaddress and toaddress to Search, a new place
Another user defined input box
Drawoptions.setinput (document.getElementById ("Input2"));
Searchcontrol.draw ();
/** The codes below is about Google Ajax Map Search API
This code segment was used to add a sidebar to show the results of the search
I wonder why no ' var ' exists here
Optinos = new Object ();
Options.resultlist = Resultcanvas;
Options.resultformat = "Multi-line1";
var lsc2 = new Google.elements.LocalSearch (options);
Map.addcontrol (LSC2, New Gcontrolposition (G_anchor_top_left, New Gsize (-282,-2));
*/
}
Google.setonloadcallback (initialize);
