curl傳送請求簡單實踐
阿新 • • 發佈:2019-02-11
環境
作業系統:win7
伺服器:centos6.5
場景
因為有個指令碼需要模擬瀏覽器傳送api
請求,該api
是用來初始化資料的。
具體指令碼如下:
appKey="TKtXLPUuGkfaRHA"
appSecret="aArwoGW9dYXBGL79oR8Ns3ZXCkPcGFdb"
suffurl="v1/gghq/launch"
time=`date +%s`
sign=`java -Xbootclasspath/a:/home/webuser/gogoal_platform/ggopenapi/lib/snakeyaml.jar -jar ./ggsign/ggsign.jar "$appKey" "$appSecret" "$time" "$suffurl"`
#echo "$sign"
curl -X POST -d "app_key=TKtXLPUuGkfaRHA&time_stamp=1512612452&sign=U7ETnXEaPUu1jNMq4jKf00fiGSM%3D" http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch
這裡我是使用的是post
請求,引數是使用&
來進行拼接,這種方式,是可以傳送的,併成功的!
但是我如果改成json
的形式來發送時總是會報錯,就是伺服器端接收不到引數:
appKey="TKtXLPUuGkfaRHA"
appSecret="aArwoGW9dYXBGL79oR8Ns3ZXCkPcGFdb"
suffurl="v1/gghq/launch"
time=`date +%s`
sign=`java -Xbootclasspath/a:/home/webuser/gogoal_platform/ggopenapi/lib/snakeyaml.jar -jar ./ggsign/ggsign.jar "$appKey" "$appSecret" "$time" "$suffurl"`
echo "$sign"
echo $time
curl -H "Content-type: application/json" -X POST -d '{"app_key":"'$appKey'","time_stamp":"'$time'","sign":"'$sign'"}' http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch
查了下官網curl
教程:
post
引數:
必須型別引數:
-X POST
-X PUT
content type:
-H "Content-Type: application/x-www-form-urlencoded"
-H "Content-Type: application/json"
資料引數:
form urlencoded: -d "param1=value1¶m2=value2" or -d @data.txt
json: -d '{"key1":"value1", "key2":"value2"}' or -d @data.json
官網例子:
POST application/x-www-form-urlencoded
application/x-www-form-urlencoded
是預設的:
curl -d "param1=value1¶m2=value2" -X POST http://localhost:3000/data
指明:
curl -d "param1=value1¶m2=value2" -H "Content-Type: application/x-www-form-urlencoded" -X POST http://localhost:3000/data
使用資料檔案的話:
curl -d "@data.txt" -X POST http://localhost:3000/data
POST application/json
curl -d '{"key1":"value1", "key2":"value2"}' -H "Content-Type: application/json" -X POST http://localhost:3000/data
使用資料檔案的話:
curl -d "@data.json" -X POST http://localhost:3000/data
data.json
{
"key1":"value1",
"key2":"value2"
}
data.txt
param1=value1¶m2=value2
package.json
{
"name": "postdemo",
"version": "1.0.0",
"scripts": {
"start": "node server.js"
},
"dependencies": {
"body-parser": "^1.15.0",
"express": "^4.13.4"
}
}
server.js
var app = require('express')();
var bodyParser = require('body-parser');
app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
app.post('/data', function (req, res) {
console.log(req.body);
res.end();
});
app.listen(3000);
對比完後,我覺得我沒有寫錯,但是POST
的json
形式就是不行。
唯一的區別就是,引數官網是寫死的,而我使用的是變數。
最後我改成GET
請求:
#!/bin/bash
set i=0
while true
do
appKey="TKtXLPUuGkfaRHA"
appSecret="aArwoGW9dYXBGL79oR8Ns3ZXCkPcGFdb"
suffurl="v1/gghq/launch"
time=`date +%s`
sign=`java -Xbootclasspath/a:/home/webuser/gogoal_platform/ggopenapi/lib/snakeyaml.jar -jar ./ggsign/ggsign.jar "$appKey" "$appSecret" "$time" "$suffurl"`
#echo "$sign"
#echo $time
#url="http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch"
url="http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch?app_key=$appKey&time_stamp=$time&sign=$sign"
echo "$url"
#curl -H "Content-type: application/json" -X POST -d '{"app_key":"TKtXLPUuGkfaRHA","time_stamp":"1512612452","sign":"U7ETnXEaPUu1jNMq4jKf00fiGSM%3D"}' http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch
#curl -X POST -d "app_key=TKtXLPUuGkfaRHA&time_stamp=1512612452&sign=U7ETnXEaPUu1jNMq4jKf00fiGSM%3D" http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch
#$echo $url
#curlstr=`curl -i -X GET -H "'Content-type':'application/json'" $url -s`
curlstr=`curl -X GET -H "'Content-type':'application/json'" $url -s`
echo "$curlstr"
if [[ "$curlstr" =~ "成功" || "$curlstr" =~ "success" ]]
then
echo "迴圈次數"$i
break
else
sleep 2s
fi
let "i=i+1"
echo "迴圈次數"$i
done
因為我這個指令碼是在重啟專案後,再執行的,而腳本里又要調介面,所以需要放在迴圈裡,不停的執行,直到成功為止。(因為專案剛啟動時,介面未必能立馬調通)。
引數-s
在執行指令碼時,其會列印一些不想要的東東:
類似如下:
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2381 100 2381 0 0 25963 0 --:--:-- --:--:-- --:--:-- 25880
可以新增引數-s
去掉這些統計資訊。
變數的使用
雖然上面我使用變數沒有成功,但是在stackoverflow
,對變數的使用有個說明:
使用'
和"
的組合:
now=$(date +"%m-%d-%Y")
curl -X POST -H "Content-Type: application/json" \
--data '{ "color":"red", "message":"Build failed '"$now"'", "message_format":"text" }' \
https://api.hipchat.com/v2/room/<room>/notification?auth_token=<token>
對我的例子就是
appKey="TKtXLPUuGkfaRHA"
appSecret="aArwoGW9dYXBGL79oR8Ns3ZXCkPcGFdb"
suffurl="v1/gghq/launch"
time=`date +%s`
sign=`java -Xbootclasspath/a:/home/webuser/gogoal_platform/ggopenapi/lib/snakeyaml.jar -jar ./ggsign/ggsign.jar "$appKey" "$appSecret" "$time" "$suffurl"`
echo "$sign"
echo $time
# 注意變數的引號
curl -H "Content-type: application/json" -X POST -d '{"app_key":"'"$appKey"'","time_stamp":"'"$time"'","sign":"'"$sign"'"}' http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch
只使用雙引號:
now=$(date +"%m-%d-%Y")
curl -X POST -H "Content-Type: application/json" \
--data "{ \"color\":\"red\", \"message\":\"Build failed $now\", \"message_format\":\"text\" }" \
https://api.hipchat.com/v2/room/<room>/notification?auth_token=<token>
對我的例子就是
# 以上省略。。。
curl -H "Content-type: application/json" -X POST -d "{\"app_key\":\"$appKey\",\"time_stamp\":\"$time\",\"sign\":\"$sign\"}" http://ggservice.sandbox.gofund.com.cn/v1/gghq/launch
說明:
使用
'
包裹變數,將使bash
,從字面值上去看待它們;
然而使用"
,將會用它們的變數值來進行替換。
參考地址: