解决模型中存在getXxxAttr这类方法的问题

[ichynul]

fix #821
修改这些方法名称：setWithAttr、getWithAttr、getBindAttr、getRelationMapAttr

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.06%. Comparing base (006ad4b) to head (688937f).
⚠️ Report is 4 commits behind head on 4.0.

Additional details and impacted files

@@            Coverage Diff            @@
##                4.0     #822   +/-   ##
=========================================
  Coverage     52.06%   52.06%           
  Complexity     3507     3507           
=========================================
  Files            74       74           
  Lines          8313     8313           
=========================================
  Hits           4328     4328           
  Misses         3985     3985           

Flag	Coverage Δ
unittests	52.06% <100.00%> (ø)

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[augushong]

真要改的话，要用for吧。