add request method.

[sxci]

No description provided.

[codecov]

Codecov Report

Merging #496 into master will decrease coverage by 0.09%.
The diff coverage is 66.66%.

@@             Coverage Diff              @@
##             master     #496      +/-   ##
============================================
- Coverage     54.16%   54.07%   -0.10%     
+ Complexity      696      694       -2     
============================================
  Files            94       94              
  Lines          4667     4677      +10     
  Branches        506      509       +3     
============================================
+ Hits           2528     2529       +1     
- Misses         1880     1888       +8     
- Partials        259      260       +1     

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/com/qiniu/http/Response.java	55.04% <66.66%> (+0.50%)	27.00 <1.00> (+1.00)
src/main/java/com/qiniu/storage/FormUploader.java	66.17% <0.00%> (-5.89%)	12.00% <0.00%> (-2.00%)
src/main/java/com/qiniu/common/QiniuException.java	41.66% <0.00%> (-4.17%)	5.00% <0.00%> (-1.00%)

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