Add export_header_result and import_header_result

lib/tallty_import_export/export.rb

@@ -17,7 +17,7 @@ module TalltyImportExport
     #   { key: 'state', name: '考核状态', method: :state_zh },
     #   { key: 'score', name: '考核分' },
     # ]
-    # export_headers / headers
+    # export_headers_result / headers
     # key: 属性的英文名
     # name: 属性的中文名
     # attr_type: 属性的类型
@@ -67,7 +67,7 @@ module TalltyImportExport
       title1 = workbook.styles.add_style(alignment: alignment, border: border, sz: 12, b: true)
       title2 = workbook.styles.add_style(alignment: alignment, border: border, bg_color: "2a5caa",  sz: 12, fg_color: "fffffb")
       title3 = workbook.styles.add_style(alignment: alignment.merge(wrap_text: true), border: border, sz: 10)
-      headers = export_headers
+      headers = export_headers_result
 
       _sheet_name = respond_to?(:sheet_name) ? self.sheet_name : nil
 
@@ -105,8 +105,8 @@ module TalltyImportExport
       records
     end
 
-    def export_headers
-      @headers || klass.try(:headers) || klass.try(:model_headers)
+    def export_headers_result
+      @headers || klass.try(:export_headers) || klass.try(:headers) || klass.try(:model_headers)
     end
 
     # 处理一个记录的数据

lib/tallty_import_export/import.rb

@@ -5,7 +5,7 @@ module TalltyImportExport
 
     def initialize klass
       @klass = klass
-      @headers = import_headers.map { |header| header.with_indifferent_access }
+      @headers = import_headers_result.map { |header| header.with_indifferent_access }
       @context = Context.new({})
     end
 
@@ -96,14 +96,14 @@ module TalltyImportExport
       true
     end
 
-    def import_headers
-      klass.try(:headers) || klass.try(:model_headers) || (raise ArgumentError.new('missing import_headers'))
+    def import_headers_result
+      klass.try(:headers) || klass.try(:import_headers) || klass.try(:model_headers) || (raise ArgumentError.new('missing import_headers_result'))
     end
 
     # 只保留 key, name, json, 合并到 import_header
     def headers= val
       if val.empty?
-        @headers = import_headers.map { |header| header.with_indifferent_access }
+        @headers = import_headers_result.map { |header| header.with_indifferent_access }
         return
       end
 
@@ -114,7 +114,7 @@ module TalltyImportExport
 
       result = []
       val.map do |header|
-        if (exist_header = import_headers.find { |model_header| model_header[:key] === header[:key] })
+        if (exist_header = import_headers_result.find { |model_header| model_header[:key] === header[:key] })
           result.push(exist_header.merge(name: header[:name], json: header[:json]))
         else
           result.push({ key: header[:key], name: header[:name], json: header[:json]})