以下是我从下面的回答中得到的建议:

export BASH_VARIABLE="[1,2,3]"
curl http://localhost:8080/path -d "$(cat <<EOF
{
  "name": $BASH_VARIABLE,
  "something": [
    "value1",
    "value2",
    "value3"
  ]
}
EOF
)" -H 'Content-Type: application/json'

把数据放入txt文件对我来说很有效

bash --version
GNU bash, version 4.2.46(2)-release (x86_64-redhat-linux-gnu)
curl --version
curl 7.29.0 (x86_64-redhat-linux-gnu)
 cat curl_data.txt 
 {  "type":"index-pattern", "excludeExportDetails": true  }

curl -X POST http://localhost:30560/api/saved_objects/_export -H 'kbn-xsrf: true' -H 'Content-Type: application/json' -d "$(cat curl_data.txt)" -o out.json

Curl可以从文件中发布二进制数据，所以我一直在使用进程替换和利用文件描述符，每当我需要发布一些讨厌的Curl，仍然想要访问当前shell中的vars。喜欢的东西:

curl "http://localhost:8080" \
-H "Accept: application/json" \
-H "Content-Type:application/json" \
--data @<(cat <<EOF
{
  "me": "$USER",
  "something": $(date +%s)
  }
EOF
)

这看起来像——data @/dev/fd/<some number>，这就像一个正常的文件一样被处理。不管怎样，如果你想看到它在本地工作，只要先运行nc -l 8080，然后在不同的shell中发射上面的命令。你会看到如下内容:

POST / HTTP/1.1
Host: localhost:8080
User-Agent: curl/7.43.0
Accept: application/json
Content-Type:application/json
Content-Length: 43

{  "me": "username",  "something": 1465057519  }

正如你所看到的，你可以在heredoc中调用subshell和引用变量。黑客希望这有助于与快乐 '"'"'""""'''""''.

您不需要将包含自定义标头的引号传递给curl。另外，数据参数中间的变量应该加引号。

首先，编写一个生成脚本post数据的函数。这让你避免了各种关于shell引用的麻烦，并且比在curl的调用行中输入post数据更容易阅读和维护脚本:

generate_post_data()
{
  cat <<EOF
{
  "account": {
    "email": "$email",
    "screenName": "$screenName",
    "type": "$theType",
    "passwordSettings": {
      "password": "$password",
      "passwordConfirm": "$password"
    }
  },
  "firstName": "$firstName",
  "lastName": "$lastName",
  "middleName": "$middleName",
  "locale": "$locale",
  "registrationSiteId": "$registrationSiteId",
  "receiveEmail": "$receiveEmail",
  "dateOfBirth": "$dob",
  "mobileNumber": "$mobileNumber",
  "gender": "$gender",
  "fuelActivationDate": "$fuelActivationDate",
  "postalCode": "$postalCode",
  "country": "$country",
  "city": "$city",
  "state": "$state",
  "bio": "$bio",
  "jpFirstNameKana": "$jpFirstNameKana",
  "jpLastNameKana": "$jpLastNameKana",
  "height": "$height",
  "weight": "$weight",
  "distanceUnit": "MILES",
  "weightUnit": "POUNDS",
  "heightUnit": "FT/INCHES"
}
EOF
}

然后，在调用curl时很容易使用该函数:

curl -i \
-H "Accept: application/json" \
-H "Content-Type:application/json" \
-X POST --data "$(generate_post_data)" "https://xxx:xxxxx@xxxx-www.xxxxx.com/xxxxx/xxxx/xxxx"

也就是说，这里有一些关于shell引用规则的澄清:

-H参数中的双引号(如-H "foo bar")告诉bash将其中的内容保留为单个参数(即使它包含空格)。

——data参数中的单引号(如——data 'foo bar')执行相同的操作，只不过它们逐字传递所有文本(包括双引号字符和美元符号)。

要在单引号文本中间插入一个变量，您必须结束单引号，然后与双引号变量连接，并重新打开单引号以继续文本:'foo bar'"$variable"'more foo'。

乔可能会帮忙:

$ export A=this B=that C=foo D=bar
$ jo -p a=$A b=$B nested=$(jo c=$C d=$D)
{
   "a": "this",
   "b": "that",
   "nested": {
      "c": "foo",
      "d": "bar"
   }
}

来自Athos爵士的信息非常有效!!

下面是我如何在我的curl脚本为couchDB使用它。这真的很有帮助 经常出去。谢谢!

bin/curl -X PUT "db_domain_name_:5984/_config/vhosts/$1.couchdb" -d '"/'"$1"'/"' --user "admin:*****"