LUA代码：（注：LUA里有一个调用百度识图的接口IP:123.125.115.189(stu.baidu.com)，不知为什么我的虚拟机无法解析stu.baidu.com，所以我只能PING出IP来用。）
location /test {
content_by_lua '
local request_method = ngx.var.request_method;
local args = nil;
if "GET" == request_method then
args = ngx.req.get_uri_args();
else
ngx.req.read_body();
args = ngx.req.get_post_args();
end
local imageUrl = args["imageUrl"]
function Split(szFullString, szSeparator)
local nFindStartIndex =
local nSplitIndex =
local nSplitArray = {}
while true do
local nFindLastIndex = string.find(szFullString, szSeparator, nFindStartIndex)
if not nFindLastIndex then
nSplitArray[nSplitIndex] = string.sub(szFullString, nFindStartIndex, string.len(szFullString))
break
end
nSplitArray[nSplitIndex] = string.sub(szFullString, nFindStartIndex, nFindLastIndex - )
nFindStartIndex = nFindLastIndex + string.len(szSeparator)
nSplitIndex = nSplitIndex +
end
return nSplitArray
end
local cjson = require "cjson"
local http = require "resty.http"
local hc = http:new()
local ok, code, headers, status, body = hc:request {
url = "http://123.125.115.189/n/pc_search?queryImageUrl="..imageUrl,
method = "GET", -- POST or GET
}
local _,aaa = string.find(body,"keywords:\'")
local bbb = string.find(body,"|default")
local ccc = string.sub(body,aaa+,bbb-)
ngx.say(tostring(ccc))
';
}
HTML代码：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>Untitled</title>
<script src="http://libs.baidu.com/jquery/1.7.2/jquery.min.js"></script>
</head> <body> <input type="button" value = "test" id ="test" />
<input type="text" id ="imgUrl" />
<input type="button" value = "识图" id ="st" /> </body> <script> function unicode2Chr(str) {
str=str.replace(/\\/g,"%");
return unescape(str); } $(function(){
$("#test").click(function(){
alert();
var str = "\x22\\u82f9\\u679c\x22,\x22\\u6307\\u6325\\u5927\\u5e08\x22,\x22\\u51fa\\u67dc\x22";
var code = str.replace(/\x22/g, "")
alert(code);
alert(unicode2Chr(code));
}); $("#st").click(function(){ var image_Url = $("#imgUrl").val(); $.ajax({
type : "POSST",
async : false,
url : "/test",
data:{imageUrl:image_Url},
success : function(data) {
var code = data.replace(/\\x22/g, "")
alert(unicode2Chr(code).replace(/%/g, ""));
}
});
}); }); </script>
</html>