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APIJSON/APIJSON-JavaScript/APIJSON-JS/RequestUtil.js at master · StudyForFun/APIJSON · GitHub
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/**
* Created by Lemon on 17/5/8.
*/
const
TAG_REQUEST_UTIL
=
'RequestUtil'
;
const
URL_BASE
=
"http://39.108.143.172:8080"
;
// 基地址
const
URL_GET
=
URL_BASE
+
"/get"
;
// 常规获取数据方式
const
URL_HEAD
=
URL_BASE
+
"/head"
;
// 检查,默认是非空检查,返回数据总数
const
URL_GETS
=
URL_BASE
+
"/gets"
;
// 通过POST来GET数据,不显示请求内容和返回结果,一般用于对安全要求比较高的请求
const
URL_HEADS
=
URL_BASE
+
"/heads"
;
// 通过POST来HEAD数据,不显示请求内容和返回结果,一般用于对安全要求比较高的请求
const
URL_POST
=
URL_BASE
+
"/post"
;
// 新增(或者说插入)数据
const
URL_PUT
=
URL_BASE
+
"/put"
;
// 修改数据,只修改传入字段对应的值
const
URL_DELETE
=
URL_BASE
+
"/delete"
;
// 删除数据
/**请求,全走HTTP POST
*
@param
url
*
@param
rq
*/
function
request
(
url
,
json
,
notAlertRequest
,
onreadystatechange
)
{
if
(
json
==
null
||
json
instanceof
Array
||
(
json
instanceof
Object
)
==
false
)
{
alertOfDebug
(
"request json == null || json instanceof Array || (json instanceof Object) == false !!! >> return null;"
)
;
return
null
;
}
if
(
url
==
null
||
(
typeof
url
!=
"string"
)
)
{
alertOfDebug
(
"request url == null || typeof url != string !!! >> return null;"
)
;
return
null
;
}
if
(
url
.
length
<
3
||
url
.
indexOf
(
"."
)
<
0
)
{
alertOfDebug
(
"request url.length < 3 || url.indexOf(.) < 0 !!! >> return null;"
)
;
return
null
;
}
var
rqf
=
format
(
JSON
.
stringify
(
json
)
)
;
var
branch
=
url
.
substring
(
URL_BASE
.
length
+
1
,
url
.
length
)
;
var
end
=
branch
.
indexOf
(
"/"
)
;
var
method
=
branch
.
substring
(
0
,
end
<
0
?
branch
.
length
:
end
)
;
var
METHOD
=
method
.
toUpperCase
(
)
;
if
(
!
notAlertRequest
)
{
alert
(
"Request("
+
METHOD
+
"):\n"
+
rqf
)
;
}
var
request
=
new
XMLHttpRequest
(
)
;
request
.
open
(
"POST"
,
url
,
true
)
;
request
.
setRequestHeader
(
"Content-type"
,
"application/json"
)
;
request
.
onreadystatechange
=
onreadystatechange
!=
null
?
onreadystatechange
:
function
(
)
{
if
(
request
.
readyState
!==
4
)
{
return
;
}
if
(
request
.
status
===
200
)
{
alert
(
"Response("
+
METHOD
+
"):\n"
+
format
(
request
.
responseText
)
)
;
}
else
{
alert
(
"Response("
+
METHOD
+
"):\nstatus"
+
request
.
status
+
"\nerror:"
+
request
.
error
)
;
}
}
request
.
send
(
rqf
)
;
//原生请求>>>>>>>>>>>>>>>>>>>>>>>>>>
//JQuery ajax请求<<<<<<<<<<<<<<<<<<<<<<<<<<
// $.ajax({
// type: isGet ? "GET" : "POST",
// url: isGet ? url + "/" + rq : url,
// contentType: "application/json", //必须
// dataType: "json", //返回值类型,非必须
// data: isGet ? null : rq,
// success: function (response) {
// alertOfDebug(response);
// }
// });
//JQuery ajax请求>>>>>>>>>>>>>>>>>>>>>>>>>>
//VUE axios请求<<<<<<<<<<<<<<<<<<<<<<<<<<
// if (isGet) {
// axios.get(url + "/" + rq, null)
// .then(function (response) {
// console.log(response);
// })
// .catch(function (error) {
// console.log(error);
// });
// } else {
// axios({
// method: 'post',
// url: url + "/",
// data: json
// }).then(function (response) {
// alertOfDebug(response);
// }).catch(function (error) {
// alertOfDebug(error);
// });
// }
//VUE axios请求>>>>>>>>>>>>>>>>>>>>>>>>>>
return
request
;
}
/**编码JSON,转义所有String
*
@param
json 任意类型
*/
function
encode
(
json
)
{
// alertOfDebug("encode before:\n" + format(JSON.stringify(json)));
if
(
typeof
json
==
"string"
)
{
//json instanceof String) {
json
=
encodeURIComponent
(
json
)
;
}
else
if
(
json
instanceof
Array
)
{
// alertOfDebug("encode json instanceof Array");
for
(
var
i
=
0
;
i
<
json
.
length
;
i
++
)
{
// alertOfDebug("json[" + i + "] = " + format(JSON.stringify(json[i])));
json
[
i
]
=
encode
(
json
[
i
]
)
;
}
}
else
if
(
json
instanceof
Object
)
{
// alertOfDebug("encode json instanceof Object");
for
(
var
key
in
json
)
{
// alertOfDebug("encode json[" + key + "] = " + format(JSON.stringify(json[key])));
json
[
key
]
=
encode
(
json
[
key
]
)
;
}
}
// alertOfDebug("encode after:\n" + format(JSON.stringify(json)));
return
json
;
}
/**格式化JSON串
*
@param
json
*/
function
format
(
json
)
{
try
{
return
JSON
.
stringify
(
JSON
.
parse
(
json
)
,
null
,
"\t"
)
;
}
catch
(
e
)
{
log
(
TAG_REQUEST_UTIL
,
'format try { ... } catch (err) { \n '
+
e
)
;
return
json
;
}
// 导致格式化后代码很难看,像没格式化一样
// if (json == null || json == '') {
// console.log('format json == null || json == "" >> return json;');
// return json;
// }
//
// if (json instanceof Object) { //避免赋值影响传进来的json
// return JSON.stringify(json, null, "\t");
// }
//
// var jsonObj;
// if (typeof json == 'string'){
// try {
// jsonObj = JSON.parse(json);
// } catch (err) {
// console.log('format try { jsonObj = JSON.parse(json); } catch (err) { \n ' + err);
// return json;
// }
// }
// else {
// console.log('format json type error !');
// return json;
// }
// return JSON.stringify(jsonObj, null, "\t");
}
function
log
(
tag
,
msg
)
{
console
.
log
(
tag
+
'.'
+
msg
)
;
}
/**将json字符串转为JSON对象
*
@param
s
*/
function
parseJSON
(
s
)
{
if
(
s
instanceof
Object
)
{
alertOfDebug
(
"parseJSON s instanceof JSON >> return s;"
)
;
return
s
;
}
if
(
typeof
s
!=
"string"
)
{
alertOfDebug
(
"parseJSON typeof json != string >> s = \"\" + s;"
)
;
s
=
""
+
s
;
}
// alertOfDebug("parseJSON s = \n" + s);
return
JSON
.
parse
(
s
)
;
}
/**测试用的提示
*
@param
s
*/
function
alertOfDebug
(
s
)
{
// alert(s); //注释掉就都不会弹窗了
}
/**是否为空
*
@param
s
*
@returns
{
boolean
}
*/
function
isEmpty
(
s
)
{
return
s
==
null
||
s
.
trim
(
)
==
''
;
}
//常用请求<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
/**获取单个对象
*
@param
table String, 对象名,如 "User"
*
@param
id Long, 对象id,如 1
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
getObject
(
table
,
id
,
notAlert
,
callBack
)
{
alertOfDebug
(
"getObject table = "
+
table
+
"; id = "
+
id
)
;
return
request
(
URL_GET
,
newSingleJSON
(
table
,
{
"id"
:
id
}
,
null
)
,
notAlert
,
callBack
)
;
}
/**获取数组
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
count int, 每页数量
*
@param
page int, 页码
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
getArray
(
table
,
json
,
count
,
page
,
notAlert
,
callBack
)
{
alertOfDebug
(
"getArray table = "
+
table
+
"; count = "
+
count
+
"; page = "
+
page
+
"; json = \n"
+
format
(
json
)
)
;
return
request
(
URL_GET
,
newArrayJSON
(
table
,
json
,
count
,
page
)
,
notAlert
,
callBack
)
;
}
/**新增单个对象
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
postObject
(
table
,
json
,
notAlert
,
callBack
)
{
alertOfDebug
(
"postObject table = "
+
table
+
"; json = \n"
+
format
(
json
)
)
;
var
id
=
json
==
null
?
null
:
json
[
'id'
]
;
if
(
id
!=
null
)
{
alertOfDebug
(
'postObject POST 请求不能设置 id !'
)
;
return
;
}
return
request
(
URL_POST
,
newSingleJSON
(
table
,
json
,
table
)
,
notAlert
,
callBack
)
;
}
/**修改单个对象
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
putObject
(
table
,
json
,
notAlert
,
callBack
)
{
alertOfDebug
(
"putObject table = "
+
table
+
"; json = \n"
+
format
(
json
)
)
;
if
(
json
==
null
)
{
alertOfDebug
(
'putObject PUT 请求必须设置 table对象 !'
)
;
return
;
}
if
(
json
[
"id"
]
==
null
||
json
[
"id"
]
<=
0
)
{
alertOfDebug
(
'putObject PUT 请求必须设置 id 且 id > 0 !'
)
;
return
;
}
return
request
(
URL_PUT
,
newSingleJSON
(
table
,
json
,
table
)
,
notAlert
,
callBack
)
;
}
/**删除单个对象
*
@param
table String, 对象名,如 "User"
*
@param
id Long, 对象id,如 1
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
deleteObject
(
table
,
id
,
notAlert
,
callBack
)
{
alertOfDebug
(
"deleteObject table = "
+
table
+
"; id = "
+
id
)
;
if
(
id
==
null
||
id
<=
0
)
{
alertOfDebug
(
'deleteObject DELETE 请求必须设置 id 且 id > 0 !'
)
;
return
;
}
return
request
(
URL_DELETE
,
newSingleJSON
(
table
,
{
"id"
:
id
}
,
table
)
,
notAlert
,
callBack
)
;
}
/**修改多个对象
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
putArray
(
table
,
json
,
notAlert
,
callBack
)
{
alertOfDebug
(
"putArray table = "
+
table
+
"; json = \n"
+
format
(
json
)
)
;
var
idArray
=
json
==
null
?
null
:
json
[
"id{}"
]
;
if
(
idArray
==
null
||
(
idArray
instanceof
Array
)
==
false
)
{
alertOfDebug
(
'putArray idArray == null || (idArray instanceof Array) == false'
+
' >> return; PUT 请求必须设置 id{}:[] !'
)
;
return
;
}
return
request
(
URL_PUT
,
newSingleJSON
(
table
,
json
,
table
+
"[]"
)
,
notAlert
,
callBack
)
;
}
/**删除多个对象
*
@param
table String, 对象名,如 "User"
*
@param
idArray [], 对象id数组,如 [1, 2, 3]
*
@param
notAlert 不弹窗显示
*
@param
callBack 请求成功回调
*/
function
deleteArray
(
table
,
idArray
,
notAlert
,
callBack
)
{
alertOfDebug
(
"deleteArray table = "
+
table
+
"; idArray = \n"
+
format
(
idArray
)
)
;
if
(
idArray
==
null
||
(
idArray
instanceof
Array
)
==
false
)
{
alertOfDebug
(
'deleteArray idArray == null ! DELETE 请求必须设置 id{}:[] !'
)
;
return
;
}
return
request
(
URL_DELETE
,
newSingleJSON
(
table
,
{
"id{}"
:
idArray
}
,
table
+
"[]"
)
,
notAlert
,
callBack
)
;
}
/**新建单个对象请求
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
tag String, 写操作标识,一般来说,操作单个对象时和table相同,操作多个对象时是 table[]
*/
function
newSingleJSON
(
table
,
json
,
tag
)
{
// alertOfDebug("newSingleJSON table = " + table + "; tag = " + tag
// + "; json = \n" + format(json));
return
parseJSON
(
newSingleString
(
table
,
json
,
tag
)
)
;
}
/**新建数组请求
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
count int, 每页数量
*
@param
page int, 页码
*/
function
newArrayJSON
(
table
,
json
,
count
,
page
)
{
// alertOfDebug("newArrayJSON table = " + table + "; count = " + count + "; page = " + page
// + "; json = \n" + format(json));
return
parseJSON
(
newArrayString
(
table
,
json
,
count
,
page
)
)
;
}
/**新建单个对象请求
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
tag String, 写操作标识,一般来说,操作单个对象时和table相同,操作多个对象时是 table[]
*/
function
newSingleString
(
table
,
json
,
tag
)
{
if
(
json
==
null
)
{
alertOfDebug
(
'newSingleString json == null >> return;'
)
;
return
;
}
// alertOfDebug("newSingleString table = " + table + "; tag = " + tag
// + "; json = \n" + format(json));
return
"{\""
+
table
+
"\":"
+
JSON
.
stringify
(
json
)
+
(
isEmpty
(
tag
)
?
""
:
",\"tag\":\""
+
tag
+
"\""
)
+
"}"
;
}
/**新建数组请求
*
@param
table String, 对象名,如 "User"
*
@param
json {}, 对象内容,如 {"sex":1}
*
@param
count int, 每页数量
*
@param
page int, 页码
*/
function
newArrayString
(
table
,
json
,
count
,
page
)
{
if
(
json
==
null
)
{
alertOfDebug
(
'newArrayString json == null >> return;'
)
;
return
;
}
// alertOfDebug("newArrayString table = " + table + "; count = " + count + "; page = " + page
// + "; json = \n" + format(json));
return
"{\""
+
table
+
"[]\":{"
+
"\"count\":"
+
count
+
","
+
"\"page\":"
+
page
+
",\""
+
table
+
"\":"
+
JSON
.
stringify
(
json
)
+
"}}"
;
}
//常用请求>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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