我正在尝试为 google 搜索 api 制作一个简单的球衣休息客户端。
Client client = ClientBuilder.newClient();
WebTarget target = client.target("https://www.googleapis.com/customsearch/v1");
target.queryParam("q", "mobile");
Response response = target.request().get();
System.out.println(response.readEntity(String.class));
正如你所注意到的,我没有包括在内key
and cx
。别担心,这只是一个简单的演示。
访问url时https://www.googleapis.com/customsearch/v1?q=mobile
,响应为
{
"error": {
"errors": [
{
"domain": "usageLimits",
"reason": "dailyLimitExceededUnreg",
"message": "Daily Limit for Unauthenticated Use Exceeded. Continued use requires signup.",
"extendedHelp": "https://code.google.com/apis/console"
}
],
"code": 403,
"message": "Daily Limit for Unauthenticated Use Exceeded. Continued use requires signup."
}
}
这是正确的,因为我没有包括在内key
and cx
。当我执行上面的代码时,我得到的响应是
{
"error": {
"errors": [
{
"domain": "global",
"reason": "required",
"message": "Required parameter: q",
"locationType": "parameter",
"location": "q"
}
],
"code": 400,
"message": "Required parameter: q"
}
}
这相当于访问不带任何参数的 url (https://www.googleapis.com/customsearch/v1
),虽然我已经添加了这个target.queryParam("q", "mobile");
。难道我做错了什么?
上面的代码属于mavenized项目,依赖项是
<dependency>
<groupId>org.glassfish.jersey.core</groupId>
<artifactId>jersey-client</artifactId>
<version>2.14</version>
</dependency>