更新 target/fwutils/funs.lua

修复教师photo可能出现的崩溃问题

target/fwutils/funs.lua

@@ -143,6 +143,40 @@ M.menu_top = function()
         </nav>
     ]]
 end
+M.teacher_photos = function()
+  require("app.app")
+  local conn = db_conn()
+  local edu_id = edu_id()
+  local edu_teacher = require("app.function.edu_teacher")
+  local edu_setting = require("app.function.edu_setting")
+  local teacher_info = edu_teacher.get_by_id(pint("id"),edu_id,conn)
+  if teacher_info == nil then
+      conn:close()
+      return ""
+  end
+  local domain_assets_cn = edu_setting.get_assets_domain_cn(edu_id,conn)
+  local photos = {}
+  if teacher_info.photo and type(teacher_info.photo) == "string" and teacher_info.photo ~= "" then
+    local ok, decoded = pcall(function() return cjson.decode(teacher_info.photo) end)
+    if ok and type(decoded) == "table" then
+      photos = decoded
+    end
+  end
+  local content = "<div><div class='home-img'><img src='"..domain_assets_cn.."/".. teacher_info.avatar.."' class='img-fluid bg-img' alt=''></div></div>"
+  for i,v in ipairs(photos) do
+      if type(v) == "string" then
+          content = content..[[<div>
+              <div class="home-img">
+                  <img src="]]..domain_assets_cn.."/"..v..[[" class="img-fluid bg-img" alt="">
+              </div>
+          </div>
+          ]] 
+      end
+  end
+  conn:close()
+  return content
+  -- return "<h1>卧槽</h1>"
+end
 M.regist = function(env)
     for key, value in pairs(M) do
         if type(value) == "function" and key ~= "functions" and key ~= "get_all_functions" then