更改：计算取小数点后两位

app/controllers/api/v1/projects/portrait_controller.rb

@@ -11,7 +11,7 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     community_impact_praise = platform_statistic['max-praise-count'].to_i == 0 ? 0 : 30*(praise_count.to_f/platform_statistic['max-praise-count'].to_i)
     community_impact_watcher = platform_statistic['max-watcher-count'].to_i == 0 ? 0 : 30*(watcher_count.to_f/platform_statistic['max-watcher-count'].to_i)
     community_impact_fork = platform_statistic['max-fork-count'].to_i == 0 ? 0 : 40*(fork_count.to_f/platform_statistic['max-fork-count'].to_i)
-    community_impact = community_impact_praise + community_impact_watcher + community_impact_fork
+    community_impact = format("%.2f", community_impact_praise + community_impact_watcher + community_impact_fork)
 
     # 项目成熟度
     pullrequest_count = PullRequest.where(project_id: @project.id).count 
@@ -20,7 +20,7 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     project_maturity_pullrequest = platform_statistic['max-pullrequest-count'].to_i == 0 ? 0 : 30*(pullrequest_count.to_f/platform_statistic['max-pullrequest-count'].to_i)
     project_maturity_issue = platform_statistic['max-issue-count'].to_i == 0 ? 0 : 30*(issue_count.to_f/platform_statistic['max-issue-count'].to_i)
     project_maturity_commit = platform_statistic['max-commit-count'].to_i == 0 ? 0 : 40*(commit_count.to_f/platform_statistic['max-commit-count'].to_i)
-    project_maturity = project_maturity_pullrequest + project_maturity_issue + project_maturity_commit
+    project_maturity = format("%.2f", project_maturity_pullrequest + project_maturity_issue + project_maturity_commit)
 
     # 项目健康度
     closed_pullrequest_count = PullRequest.where(project_id: @project.id).merged_and_closed.count 
@@ -29,14 +29,14 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     project_health_issue = (issue_count < 10 || closed_issue_count < 10) ? 0 : 40*(closed_issue_count-10).to_f/(issue_count-10)
     project_health_pullrequest = (pullrequest_count < 5 || closed_pullrequest_count < 5) ? 0 : 30*(closed_pullrequest_count-5).to_f/(pullrequest_count-5)
     project_health_license = 20*has_license
-    project_health = project_health_issue + project_health_pullrequest + project_health_license
+    project_health = format("%.2f", project_health_issue + project_health_pullrequest + project_health_license)
 
     # 团队影响度
     member_count = Member.where(project_id: @project.id).count 
     recent_one_month_member_count = Member.where(project_id:@project.id).where("created_on > ?", Time.now - 30.days).count
     team_impact_member = platform_statistic['max-member-count'].to_i == 0 ? 0 : 40*(member_count.to_f/platform_statistic['max-member-count'].to_i)
     team_impact_recent_member = platform_statistic['max-recent-one-month-member-count'].to_i == 0 ? 0 : 60*(recent_one_month_member_count.to_f/platform_statistic['max-recent-one-month-member-count'].to_i)
-    team_impact = team_impact_member + team_impact_recent_member
+    team_impact = format("%.2f", team_impact_member + team_impact_recent_member)
 
     # 开发活跃度
     recent_one_month_pullrequest_count = PullRequest.where(project_id: @project.id).where("created_at > ?", Time.now - 30.days).count 
@@ -45,7 +45,7 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     develop_activity_pullrequest = platform_statistic['max-recent-one-month-pullrequest-count'].to_i == 0 ? 0 : 20*(recent_one_month_pullrequest_count.to_f/platform_statistic['max-recent-one-month-pullrequest-count'].to_i)
     develop_activity_issue = platform_statistic['max-recent-one-month-issue-count'].to_i == 0 ? 0 : 20*(recent_one_month_issue_count.to_f/platform_statistic['max-recent-one-month-issue-count'].to_i)
     develop_activity_commit = platform_statistic['max-recent-one-month-commit-count'].to_i == 0 ? 0 : 40*(recent_one_month_commit_count.to_f/platform_statistic['max-recent-one-month-commit-count'].to_i)
-    develop_activity = 20 + develop_activity_pullrequest + develop_activity_issue + develop_activity_commit
+    develop_activity = format("%.2f", 20 + develop_activity_pullrequest + develop_activity_issue + develop_activity_commit)
 
     render :json => {community_impact: community_impact, project_maturity: project_maturity, project_health: project_health, team_impact: team_impact, develop_activity: develop_activity}
   end